45719375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 65341584

約数和(自身を除く): 19622209

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 331, 425, 625, 1105, 1625, 1655, 2125, 4303, 5525, 5627, 8125, 8275, 10625, 21515, 27625, 28135, 41375, 73151, 107575, 138125, 140675, 206875, 365755, 537875, 703375, 1828775, 2689375, 3516875, 9143875, 45719375]

約数ペア:

[(1, 45719375), (5, 9143875), (13, 3516875), (17, 2689375), (25, 1828775), (65, 703375), (85, 537875), (125, 365755), (221, 206875), (325, 140675), (331, 138125), (425, 107575), (625, 73151), (1105, 41375), (1625, 28135), (1655, 27625), (2125, 21515), (4303, 10625), (5525, 8275), (5627, 8125)]