64563200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 174168540

約数和(自身を除く): 109605340

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 128, 130, 160, 194, 200, 208, 256, 260, 320, 325, 388, 400, 416, 485, 512, 520, 640, 650, 776, 800, 832, 970, 1024, 1040, 1261, 1280, 1300, 1552, 1600, 1664, 1940, 2048, 2080, 2425, 2522, 2560, 2600, 3104, 3200, 3328, 3880, 4160, 4850, 5044, 5120, 5200, 6208, 6305, 6400, 6656, 7760, 8320, 9700, 10088, 10240, 10400, 12416, 12610, 12800, 13312, 15520, 16640, 19400, 20176, 20800, 24832, 25220, 25600, 26624, 31040, 31525, 33280, 38800, 40352, 41600, 49664, 50440, 51200, 62080, 63050, 66560, 77600, 80704, 83200, 99328, 100880, 124160, 126100, 133120, 155200, 161408, 166400, 198656, 201760, 248320, 252200, 310400, 322816, 332800, 403520, 496640, 504400, 620800, 645632, 665600, 807040, 993280, 1008800, 1241600, 1291264, 1614080, 2017600, 2483200, 2582528, 3228160, 4035200, 4966400, 6456320, 8070400, 12912640, 16140800, 32281600, 64563200]

約数ペア:

[(1, 64563200), (2, 32281600), (4, 16140800), (5, 12912640), (8, 8070400), (10, 6456320), (13, 4966400), (16, 4035200), (20, 3228160), (25, 2582528), (26, 2483200), (32, 2017600), (40, 1614080), (50, 1291264), (52, 1241600), (64, 1008800), (65, 993280), (80, 807040), (97, 665600), (100, 645632), (104, 620800), (128, 504400), (130, 496640), (160, 403520), (194, 332800), (200, 322816), (208, 310400), (256, 252200), (260, 248320), (320, 201760), (325, 198656), (388, 166400), (400, 161408), (416, 155200), (485, 133120), (512, 126100), (520, 124160), (640, 100880), (650, 99328), (776, 83200), (800, 80704), (832, 77600), (970, 66560), (1024, 63050), (1040, 62080), (1261, 51200), (1280, 50440), (1300, 49664), (1552, 41600), (1600, 40352), (1664, 38800), (1940, 33280), (2048, 31525), (2080, 31040), (2425, 26624), (2522, 25600), (2560, 25220), (2600, 24832), (3104, 20800), (3200, 20176), (3328, 19400), (3880, 16640), (4160, 15520), (4850, 13312), (5044, 12800), (5120, 12610), (5200, 12416), (6208, 10400), (6305, 10240), (6400, 10088), (6656, 9700), (7760, 8320)]