54654640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 137178720

約数和(自身を除く): 82524080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 877, 1520, 1558, 1640, 1754, 3116, 3280, 3508, 3895, 4385, 6232, 7016, 7790, 8770, 12464, 14032, 15580, 16663, 17540, 31160, 33326, 35080, 35957, 62320, 66652, 70160, 71914, 83315, 133304, 143828, 166630, 179785, 266608, 287656, 333260, 359570, 575312, 666520, 683183, 719140, 1333040, 1366366, 1438280, 2732732, 2876560, 3415915, 5465464, 6831830, 10930928, 13663660, 27327320, 54654640]

約数ペア:

[(1, 54654640), (2, 27327320), (4, 13663660), (5, 10930928), (8, 6831830), (10, 5465464), (16, 3415915), (19, 2876560), (20, 2732732), (38, 1438280), (40, 1366366), (41, 1333040), (76, 719140), (80, 683183), (82, 666520), (95, 575312), (152, 359570), (164, 333260), (190, 287656), (205, 266608), (304, 179785), (328, 166630), (380, 143828), (410, 133304), (656, 83315), (760, 71914), (779, 70160), (820, 66652), (877, 62320), (1520, 35957), (1558, 35080), (1640, 33326), (1754, 31160), (3116, 17540), (3280, 16663), (3508, 15580), (3895, 14032), (4385, 12464), (6232, 8770), (7016, 7790)]