2037665620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{3637}}^1$

素因数の和:4012

約数の個数: 48

約数和(自身を含む): 4336350480

約数和(自身を除く): 2298684860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 257, 436, 514, 545, 1028, 1090, 1285, 2180, 2570, 3637, 5140, 7274, 14548, 18185, 28013, 36370, 56026, 72740, 112052, 140065, 280130, 396433, 560260, 792866, 934709, 1585732, 1869418, 1982165, 3738836, 3964330, 4673545, 7928660, 9347090, 18694180, 101883281, 203766562, 407533124, 509416405, 1018832810, 2037665620]

約数ペア:

[(1, 2037665620), (2, 1018832810), (4, 509416405), (5, 407533124), (10, 203766562), (20, 101883281), (109, 18694180), (218, 9347090), (257, 7928660), (436, 4673545), (514, 3964330), (545, 3738836), (1028, 1982165), (1090, 1869418), (1285, 1585732), (2180, 934709), (2570, 792866), (3637, 560260), (5140, 396433), (7274, 280130), (14548, 140065), (18185, 112052), (28013, 72740), (36370, 56026)]