51860080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 125554464

約数和(自身を除く): 73694384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 163, 164, 194, 205, 326, 328, 388, 410, 485, 652, 656, 776, 815, 820, 970, 1304, 1552, 1630, 1640, 1940, 2608, 3260, 3280, 3880, 3977, 6520, 6683, 7760, 7954, 13040, 13366, 15811, 15908, 19885, 26732, 31622, 31816, 33415, 39770, 53464, 63244, 63632, 66830, 79055, 79540, 106928, 126488, 133660, 158110, 159080, 252976, 267320, 316220, 318160, 534640, 632440, 648251, 1264880, 1296502, 2593004, 3241255, 5186008, 6482510, 10372016, 12965020, 25930040, 51860080]

約数ペア:

[(1, 51860080), (2, 25930040), (4, 12965020), (5, 10372016), (8, 6482510), (10, 5186008), (16, 3241255), (20, 2593004), (40, 1296502), (41, 1264880), (80, 648251), (82, 632440), (97, 534640), (163, 318160), (164, 316220), (194, 267320), (205, 252976), (326, 159080), (328, 158110), (388, 133660), (410, 126488), (485, 106928), (652, 79540), (656, 79055), (776, 66830), (815, 63632), (820, 63244), (970, 53464), (1304, 39770), (1552, 33415), (1630, 31816), (1640, 31622), (1940, 26732), (2608, 19885), (3260, 15908), (3280, 15811), (3880, 13366), (3977, 13040), (6520, 7954), (6683, 7760)]