39489040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15923}}^1$

素因数の和:15967

約数の個数: 40

約数和(自身を含む): 94779648

約数和(自身を除く): 55290608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15923, 31846, 63692, 79615, 127384, 159230, 254768, 318460, 493613, 636920, 987226, 1273840, 1974452, 2468065, 3948904, 4936130, 7897808, 9872260, 19744520, 39489040]

約数ペア:

[(1, 39489040), (2, 19744520), (4, 9872260), (5, 7897808), (8, 4936130), (10, 3948904), (16, 2468065), (20, 1974452), (31, 1273840), (40, 987226), (62, 636920), (80, 493613), (124, 318460), (155, 254768), (248, 159230), (310, 127384), (496, 79615), (620, 63692), (1240, 31846), (2480, 15923)]