2912198840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1775731}}^1$

素因数の和:1775783

約数の個数: 32

約数和(自身を含む): 6712266960

約数和(自身を除く): 3800068120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1775731, 3551462, 7102924, 8878655, 14205848, 17757310, 35514620, 71029240, 72804971, 145609942, 291219884, 364024855, 582439768, 728049710, 1456099420, 2912198840]

約数ペア:

[(1, 2912198840), (2, 1456099420), (4, 728049710), (5, 582439768), (8, 364024855), (10, 291219884), (20, 145609942), (40, 72804971), (41, 71029240), (82, 35514620), (164, 17757310), (205, 14205848), (328, 8878655), (410, 7102924), (820, 3551462), (1640, 1775731)]