155329840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62633}}^1$

素因数の和:62677

約数の個数: 40

約数和(自身を含む): 372797568

約数和(自身を除く): 217467728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 62633, 125266, 250532, 313165, 501064, 626330, 1002128, 1252660, 1941623, 2505320, 3883246, 5010640, 7766492, 9708115, 15532984, 19416230, 31065968, 38832460, 77664920, 155329840]

約数ペア:

[(1, 155329840), (2, 77664920), (4, 38832460), (5, 31065968), (8, 19416230), (10, 15532984), (16, 9708115), (20, 7766492), (31, 5010640), (40, 3883246), (62, 2505320), (80, 1941623), (124, 1252660), (155, 1002128), (248, 626330), (310, 501064), (496, 313165), (620, 250532), (1240, 125266), (2480, 62633)]