25364920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 65753280

約数和(自身を除く): 40388360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 577, 628, 785, 1099, 1154, 1256, 1570, 2198, 2308, 2885, 3140, 4039, 4396, 4616, 5495, 5770, 6280, 8078, 8792, 10990, 11540, 16156, 20195, 21980, 23080, 32312, 40390, 43960, 80780, 90589, 161560, 181178, 362356, 452945, 634123, 724712, 905890, 1268246, 1811780, 2536492, 3170615, 3623560, 5072984, 6341230, 12682460, 25364920]

約数ペア:

[(1, 25364920), (2, 12682460), (4, 6341230), (5, 5072984), (7, 3623560), (8, 3170615), (10, 2536492), (14, 1811780), (20, 1268246), (28, 905890), (35, 724712), (40, 634123), (56, 452945), (70, 362356), (140, 181178), (157, 161560), (280, 90589), (314, 80780), (577, 43960), (628, 40390), (785, 32312), (1099, 23080), (1154, 21980), (1256, 20195), (1570, 16156), (2198, 11540), (2308, 10990), (2885, 8792), (3140, 8078), (4039, 6280), (4396, 5770), (4616, 5495)]