7680508750

素因数分解:

$2^1\times 5^4\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 14686111440

約数和(自身を除く): 7005602690

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 181, 250, 362, 409, 415, 625, 818, 830, 905, 1250, 1810, 2045, 2075, 4090, 4150, 4525, 9050, 10225, 10375, 15023, 20450, 20750, 22625, 30046, 33947, 45250, 51125, 51875, 67894, 74029, 75115, 102250, 103750, 113125, 148058, 150230, 169735, 226250, 255625, 339470, 370145, 375575, 511250, 740290, 751150, 848675, 1697350, 1850725, 1877875, 3701450, 3755750, 4243375, 6144407, 8486750, 9253625, 9389375, 12288814, 18507250, 18778750, 21216875, 30722035, 42433750, 46268125, 61444070, 92536250, 153610175, 307220350, 768050875, 1536101750, 3840254375, 7680508750]

約数ペア:

[(1, 7680508750), (2, 3840254375), (5, 1536101750), (10, 768050875), (25, 307220350), (50, 153610175), (83, 92536250), (125, 61444070), (166, 46268125), (181, 42433750), (250, 30722035), (362, 21216875), (409, 18778750), (415, 18507250), (625, 12288814), (818, 9389375), (830, 9253625), (905, 8486750), (1250, 6144407), (1810, 4243375), (2045, 3755750), (2075, 3701450), (4090, 1877875), (4150, 1850725), (4525, 1697350), (9050, 848675), (10225, 751150), (10375, 740290), (15023, 511250), (20450, 375575), (20750, 370145), (22625, 339470), (30046, 255625), (33947, 226250), (45250, 169735), (51125, 150230), (51875, 148058), (67894, 113125), (74029, 103750), (75115, 102250)]