85280249525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{1931}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 108668044800

約数和(自身を除く): 23387795275

約数列:

[1, 5, 25, 71, 139, 179, 355, 695, 895, 1775, 1931, 3475, 4475, 9655, 9869, 12709, 24881, 48275, 49345, 63545, 124405, 137101, 246725, 268409, 317725, 345649, 622025, 685505, 1342045, 1728245, 1766551, 3427525, 6710225, 8641225, 8832755, 19057039, 24541079, 44163775, 48045211, 95285195, 122705395, 240226055, 476425975, 613526975, 1201130275, 3411209981, 17056049905, 85280249525]

約数ペア:

[(1, 85280249525), (5, 17056049905), (25, 3411209981), (71, 1201130275), (139, 613526975), (179, 476425975), (355, 240226055), (695, 122705395), (895, 95285195), (1775, 48045211), (1931, 44163775), (3475, 24541079), (4475, 19057039), (9655, 8832755), (9869, 8641225), (12709, 6710225), (24881, 3427525), (48275, 1766551), (49345, 1728245), (63545, 1342045), (124405, 685505), (137101, 622025), (246725, 345649), (268409, 317725)]