64252240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61781}}^1$

素因数の和:61807

約数の個数: 40

約数和(自身を含む): 160880328

約数和(自身を除く): 96628088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61781, 123562, 247124, 308905, 494248, 617810, 803153, 988496, 1235620, 1606306, 2471240, 3212612, 4015765, 4942480, 6425224, 8031530, 12850448, 16063060, 32126120, 64252240]

約数ペア:

[(1, 64252240), (2, 32126120), (4, 16063060), (5, 12850448), (8, 8031530), (10, 6425224), (13, 4942480), (16, 4015765), (20, 3212612), (26, 2471240), (40, 1606306), (52, 1235620), (65, 988496), (80, 803153), (104, 617810), (130, 494248), (208, 308905), (260, 247124), (520, 123562), (1040, 61781)]