66501440

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2927}}^1$

素因数の和:3015

約数の個数: 56

約数和(自身を含む): 160641792

約数和(自身を除く): 94140352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 2927, 4544, 5680, 5854, 11360, 11708, 14635, 22720, 23416, 29270, 46832, 58540, 93664, 117080, 187328, 207817, 234160, 415634, 468320, 831268, 936640, 1039085, 1662536, 2078170, 3325072, 4156340, 6650144, 8312680, 13300288, 16625360, 33250720, 66501440]

約数ペア:

[(1, 66501440), (2, 33250720), (4, 16625360), (5, 13300288), (8, 8312680), (10, 6650144), (16, 4156340), (20, 3325072), (32, 2078170), (40, 1662536), (64, 1039085), (71, 936640), (80, 831268), (142, 468320), (160, 415634), (284, 234160), (320, 207817), (355, 187328), (568, 117080), (710, 93664), (1136, 58540), (1420, 46832), (2272, 29270), (2840, 23416), (2927, 22720), (4544, 14635), (5680, 11708), (5854, 11360)]