39242840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10781}}^1$

素因数の和:10812

約数の個数: 64

約数和(自身を含む): 108682560

約数和(自身を除く): 69439720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10781, 21562, 43124, 53905, 75467, 86248, 107810, 140153, 150934, 215620, 280306, 301868, 377335, 431240, 560612, 603736, 700765, 754670, 981071, 1121224, 1401530, 1509340, 1962142, 2803060, 3018680, 3924284, 4905355, 5606120, 7848568, 9810710, 19621420, 39242840]

約数ペア:

[(1, 39242840), (2, 19621420), (4, 9810710), (5, 7848568), (7, 5606120), (8, 4905355), (10, 3924284), (13, 3018680), (14, 2803060), (20, 1962142), (26, 1509340), (28, 1401530), (35, 1121224), (40, 981071), (52, 754670), (56, 700765), (65, 603736), (70, 560612), (91, 431240), (104, 377335), (130, 301868), (140, 280306), (182, 215620), (260, 150934), (280, 140153), (364, 107810), (455, 86248), (520, 75467), (728, 53905), (910, 43124), (1820, 21562), (3640, 10781)]