40489475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 17840125

約数列:

[1, 5, 13, 19, 25, 65, 79, 83, 95, 247, 325, 395, 415, 475, 1027, 1079, 1235, 1501, 1577, 1975, 2075, 5135, 5395, 6175, 6557, 7505, 7885, 19513, 20501, 25675, 26975, 32785, 37525, 39425, 85241, 97565, 102505, 124583, 163925, 426205, 487825, 512525, 622915, 1619579, 2131025, 3114575, 8097895, 40489475]

約数ペア:

[(1, 40489475), (5, 8097895), (13, 3114575), (19, 2131025), (25, 1619579), (65, 622915), (79, 512525), (83, 487825), (95, 426205), (247, 163925), (325, 124583), (395, 102505), (415, 97565), (475, 85241), (1027, 39425), (1079, 37525), (1235, 32785), (1501, 26975), (1577, 25675), (1975, 20501), (2075, 19513), (5135, 7885), (5395, 7505), (6175, 6557)]