17956640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 46675440

約数和(自身を除く): 28718800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 89, 97, 104, 130, 160, 178, 194, 208, 260, 356, 388, 416, 445, 485, 520, 712, 776, 890, 970, 1040, 1157, 1261, 1424, 1552, 1780, 1940, 2080, 2314, 2522, 2848, 3104, 3560, 3880, 4628, 5044, 5785, 6305, 7120, 7760, 8633, 9256, 10088, 11570, 12610, 14240, 15520, 17266, 18512, 20176, 23140, 25220, 34532, 37024, 40352, 43165, 46280, 50440, 69064, 86330, 92560, 100880, 112229, 138128, 172660, 185120, 201760, 224458, 276256, 345320, 448916, 561145, 690640, 897832, 1122290, 1381280, 1795664, 2244580, 3591328, 4489160, 8978320, 17956640]

約数ペア:

[(1, 17956640), (2, 8978320), (4, 4489160), (5, 3591328), (8, 2244580), (10, 1795664), (13, 1381280), (16, 1122290), (20, 897832), (26, 690640), (32, 561145), (40, 448916), (52, 345320), (65, 276256), (80, 224458), (89, 201760), (97, 185120), (104, 172660), (130, 138128), (160, 112229), (178, 100880), (194, 92560), (208, 86330), (260, 69064), (356, 50440), (388, 46280), (416, 43165), (445, 40352), (485, 37024), (520, 34532), (712, 25220), (776, 23140), (890, 20176), (970, 18512), (1040, 17266), (1157, 15520), (1261, 14240), (1424, 12610), (1552, 11570), (1780, 10088), (1940, 9256), (2080, 8633), (2314, 7760), (2522, 7120), (2848, 6305), (3104, 5785), (3560, 5044), (3880, 4628)]