90202840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24781}}^1$

素因数の和:24812

約数の個数: 64

約数和(自身を含む): 249802560

約数和(自身を除く): 159599720

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, 24781, 49562, 99124, 123905, 173467, 198248, 247810, 322153, 346934, 495620, 644306, 693868, 867335, 991240, 1288612, 1387736, 1610765, 1734670, 2255071, 2577224, 3221530, 3469340, 4510142, 6443060, 6938680, 9020284, 11275355, 12886120, 18040568, 22550710, 45101420, 90202840]

約数ペア:

[(1, 90202840), (2, 45101420), (4, 22550710), (5, 18040568), (7, 12886120), (8, 11275355), (10, 9020284), (13, 6938680), (14, 6443060), (20, 4510142), (26, 3469340), (28, 3221530), (35, 2577224), (40, 2255071), (52, 1734670), (56, 1610765), (65, 1387736), (70, 1288612), (91, 991240), (104, 867335), (130, 693868), (140, 644306), (182, 495620), (260, 346934), (280, 322153), (364, 247810), (455, 198248), (520, 173467), (728, 123905), (910, 99124), (1820, 49562), (3640, 24781)]