1294369040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521923}}^1$

素因数の和:521967

約数の個数: 40

約数和(自身を含む): 3106491648

約数和(自身を除く): 1812122608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 521923, 1043846, 2087692, 2609615, 4175384, 5219230, 8350768, 10438460, 16179613, 20876920, 32359226, 41753840, 64718452, 80898065, 129436904, 161796130, 258873808, 323592260, 647184520, 1294369040]

約数ペア:

[(1, 1294369040), (2, 647184520), (4, 323592260), (5, 258873808), (8, 161796130), (10, 129436904), (16, 80898065), (20, 64718452), (31, 41753840), (40, 32359226), (62, 20876920), (80, 16179613), (124, 10438460), (155, 8350768), (248, 5219230), (310, 4175384), (496, 2609615), (620, 2087692), (1240, 1043846), (2480, 521923)]