28009790840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22588541}}^1$

素因数の和:22588583

約数の個数: 32

約数和(自身を含む): 65055000960

約数和(自身を除く): 37045210120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22588541, 45177082, 90354164, 112942705, 180708328, 225885410, 451770820, 700244771, 903541640, 1400489542, 2800979084, 3501223855, 5601958168, 7002447710, 14004895420, 28009790840]

約数ペア:

[(1, 28009790840), (2, 14004895420), (4, 7002447710), (5, 5601958168), (8, 3501223855), (10, 2800979084), (20, 1400489542), (31, 903541640), (40, 700244771), (62, 451770820), (124, 225885410), (155, 180708328), (248, 112942705), (310, 90354164), (620, 45177082), (1240, 22588541)]