20155702775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1\times {\mathrm{1913}}^1$

素因数の和:3860

約数の個数: 48

約数和(自身を含む): 28528736544

約数和(自身を除く): 8373033769

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 1907, 1913, 5525, 9535, 9565, 24791, 24869, 32419, 32521, 47675, 47825, 123955, 124345, 162095, 162605, 421447, 422773, 619775, 621725, 810475, 813025, 2107235, 2113865, 3648091, 10536175, 10569325, 18240455, 47425183, 62017547, 91202275, 237125915, 310087735, 806228111, 1185629575, 1550438675, 4031140555, 20155702775]

約数ペア:

[(1, 20155702775), (5, 4031140555), (13, 1550438675), (17, 1185629575), (25, 806228111), (65, 310087735), (85, 237125915), (221, 91202275), (325, 62017547), (425, 47425183), (1105, 18240455), (1907, 10569325), (1913, 10536175), (5525, 3648091), (9535, 2113865), (9565, 2107235), (24791, 813025), (24869, 810475), (32419, 621725), (32521, 619775), (47675, 422773), (47825, 421447), (123955, 162605), (124345, 162095)]