26665600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 71050140

約数和(自身を除く): 44384540

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 640, 641, 650, 800, 832, 1040, 1282, 1300, 1600, 1664, 2080, 2564, 2600, 3200, 3205, 4160, 5128, 5200, 6410, 8320, 8333, 10256, 10400, 12820, 16025, 16666, 20512, 20800, 25640, 32050, 33332, 41024, 41600, 41665, 51280, 64100, 66664, 82048, 83330, 102560, 128200, 133328, 166660, 205120, 208325, 256400, 266656, 333320, 410240, 416650, 512800, 533312, 666640, 833300, 1025600, 1066624, 1333280, 1666600, 2051200, 2666560, 3333200, 5333120, 6666400, 13332800, 26665600]

約数ペア:

[(1, 26665600), (2, 13332800), (4, 6666400), (5, 5333120), (8, 3333200), (10, 2666560), (13, 2051200), (16, 1666600), (20, 1333280), (25, 1066624), (26, 1025600), (32, 833300), (40, 666640), (50, 533312), (52, 512800), (64, 416650), (65, 410240), (80, 333320), (100, 266656), (104, 256400), (128, 208325), (130, 205120), (160, 166660), (200, 133328), (208, 128200), (260, 102560), (320, 83330), (325, 82048), (400, 66664), (416, 64100), (520, 51280), (640, 41665), (641, 41600), (650, 41024), (800, 33332), (832, 32050), (1040, 25640), (1282, 20800), (1300, 20512), (1600, 16666), (1664, 16025), (2080, 12820), (2564, 10400), (2600, 10256), (3200, 8333), (3205, 8320), (4160, 6410), (5128, 5200)]