64250680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 156875040

約数和(自身を除く): 92624360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 787, 1256, 1570, 1574, 2041, 3140, 3148, 3935, 4082, 6280, 6296, 7870, 8164, 10205, 10231, 15740, 16328, 20410, 20462, 31480, 40820, 40924, 51155, 81640, 81848, 102310, 123559, 204620, 247118, 409240, 494236, 617795, 988472, 1235590, 1606267, 2471180, 3212534, 4942360, 6425068, 8031335, 12850136, 16062670, 32125340, 64250680]

約数ペア:

[(1, 64250680), (2, 32125340), (4, 16062670), (5, 12850136), (8, 8031335), (10, 6425068), (13, 4942360), (20, 3212534), (26, 2471180), (40, 1606267), (52, 1235590), (65, 988472), (104, 617795), (130, 494236), (157, 409240), (260, 247118), (314, 204620), (520, 123559), (628, 102310), (785, 81848), (787, 81640), (1256, 51155), (1570, 40924), (1574, 40820), (2041, 31480), (3140, 20462), (3148, 20410), (3935, 16328), (4082, 15740), (6280, 10231), (6296, 10205), (7870, 8164)]