2019194560

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{88873}}^1$

素因数の和:88961

約数の個数: 56

約数和(自身を含む): 4875983136

約数和(自身を除く): 2856788576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720, 88873, 177746, 355492, 444365, 710984, 888730, 1421968, 1777460, 2843936, 3554920, 5687872, 6309983, 7109840, 12619966, 14219680, 25239932, 28439360, 31549915, 50479864, 63099830, 100959728, 126199660, 201919456, 252399320, 403838912, 504798640, 1009597280, 2019194560]

約数ペア:

[(1, 2019194560), (2, 1009597280), (4, 504798640), (5, 403838912), (8, 252399320), (10, 201919456), (16, 126199660), (20, 100959728), (32, 63099830), (40, 50479864), (64, 31549915), (71, 28439360), (80, 25239932), (142, 14219680), (160, 12619966), (284, 7109840), (320, 6309983), (355, 5687872), (568, 3554920), (710, 2843936), (1136, 1777460), (1420, 1421968), (2272, 888730), (2840, 710984), (4544, 444365), (5680, 355492), (11360, 177746), (22720, 88873)]