71753840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28933}}^1$

素因数の和:28977

約数の個数: 40

約数和(自身を含む): 172215168

約数和(自身を除く): 100461328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28933, 57866, 115732, 144665, 231464, 289330, 462928, 578660, 896923, 1157320, 1793846, 2314640, 3587692, 4484615, 7175384, 8969230, 14350768, 17938460, 35876920, 71753840]

約数ペア:

[(1, 71753840), (2, 35876920), (4, 17938460), (5, 14350768), (8, 8969230), (10, 7175384), (16, 4484615), (20, 3587692), (31, 2314640), (40, 1793846), (62, 1157320), (80, 896923), (124, 578660), (155, 462928), (248, 289330), (310, 231464), (496, 144665), (620, 115732), (1240, 57866), (2480, 28933)]