99171280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 250233984

約数和(自身を除く): 151062704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 167, 208, 260, 334, 520, 571, 668, 835, 1040, 1142, 1336, 1670, 2171, 2284, 2672, 2855, 3340, 4342, 4568, 5710, 6680, 7423, 8684, 9136, 10855, 11420, 13360, 14846, 17368, 21710, 22840, 29692, 34736, 37115, 43420, 45680, 59384, 74230, 86840, 95357, 118768, 148460, 173680, 190714, 296920, 381428, 476785, 593840, 762856, 953570, 1239641, 1525712, 1907140, 2479282, 3814280, 4958564, 6198205, 7628560, 9917128, 12396410, 19834256, 24792820, 49585640, 99171280]

約数ペア:

[(1, 99171280), (2, 49585640), (4, 24792820), (5, 19834256), (8, 12396410), (10, 9917128), (13, 7628560), (16, 6198205), (20, 4958564), (26, 3814280), (40, 2479282), (52, 1907140), (65, 1525712), (80, 1239641), (104, 953570), (130, 762856), (167, 593840), (208, 476785), (260, 381428), (334, 296920), (520, 190714), (571, 173680), (668, 148460), (835, 118768), (1040, 95357), (1142, 86840), (1336, 74230), (1670, 59384), (2171, 45680), (2284, 43420), (2672, 37115), (2855, 34736), (3340, 29692), (4342, 22840), (4568, 21710), (5710, 17368), (6680, 14846), (7423, 13360), (8684, 11420), (9136, 10855)]