71824520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57923}}^1$

素因数の和:57965

約数の個数: 32

約数和(自身を含む): 166821120

約数和(自身を除く): 94996600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57923, 115846, 231692, 289615, 463384, 579230, 1158460, 1795613, 2316920, 3591226, 7182452, 8978065, 14364904, 17956130, 35912260, 71824520]

約数ペア:

[(1, 71824520), (2, 35912260), (4, 17956130), (5, 14364904), (8, 8978065), (10, 7182452), (20, 3591226), (31, 2316920), (40, 1795613), (62, 1158460), (124, 579230), (155, 463384), (248, 289615), (310, 231692), (620, 115846), (1240, 57923)]