64140320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23581}}^1$

素因数の和:23613

約数の個数: 48

約数和(自身を含む): 160451928

約数和(自身を除く): 96311608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23581, 47162, 94324, 117905, 188648, 235810, 377296, 400877, 471620, 754592, 801754, 943240, 1603508, 1886480, 2004385, 3207016, 3772960, 4008770, 6414032, 8017540, 12828064, 16035080, 32070160, 64140320]

約数ペア:

[(1, 64140320), (2, 32070160), (4, 16035080), (5, 12828064), (8, 8017540), (10, 6414032), (16, 4008770), (17, 3772960), (20, 3207016), (32, 2004385), (34, 1886480), (40, 1603508), (68, 943240), (80, 801754), (85, 754592), (136, 471620), (160, 400877), (170, 377296), (272, 235810), (340, 188648), (544, 117905), (680, 94324), (1360, 47162), (2720, 23581)]