64173614840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{865807}}^1$

素因数の和:865944

約数の個数: 64

約数和(自身を含む): 154286985600

約数和(自身を除く): 90113370760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 3706, 4360, 7412, 9265, 14824, 18530, 37060, 74120, 865807, 1731614, 3463228, 4329035, 6926456, 8658070, 14718719, 17316140, 29437438, 34632280, 58874876, 73593595, 94372963, 117749752, 147187190, 188745926, 294374380, 377491852, 471864815, 588748760, 754983704, 943729630, 1604340371, 1887459260, 3208680742, 3774918520, 6417361484, 8021701855, 12834722968, 16043403710, 32086807420, 64173614840]

約数ペア:

[(1, 64173614840), (2, 32086807420), (4, 16043403710), (5, 12834722968), (8, 8021701855), (10, 6417361484), (17, 3774918520), (20, 3208680742), (34, 1887459260), (40, 1604340371), (68, 943729630), (85, 754983704), (109, 588748760), (136, 471864815), (170, 377491852), (218, 294374380), (340, 188745926), (436, 147187190), (545, 117749752), (680, 94372963), (872, 73593595), (1090, 58874876), (1853, 34632280), (2180, 29437438), (3706, 17316140), (4360, 14718719), (7412, 8658070), (9265, 6926456), (14824, 4329035), (18530, 3463228), (37060, 1731614), (74120, 865807)]