64516840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3049}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 151798500

約数和(自身を除く): 87281660

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 3049, 4232, 5290, 6098, 10580, 12196, 15245, 21160, 24392, 30490, 60980, 70127, 121960, 140254, 280508, 350635, 561016, 701270, 1402540, 1612921, 2805080, 3225842, 6451684, 8064605, 12903368, 16129210, 32258420, 64516840]

約数ペア:

[(1, 64516840), (2, 32258420), (4, 16129210), (5, 12903368), (8, 8064605), (10, 6451684), (20, 3225842), (23, 2805080), (40, 1612921), (46, 1402540), (92, 701270), (115, 561016), (184, 350635), (230, 280508), (460, 140254), (529, 121960), (920, 70127), (1058, 60980), (2116, 30490), (2645, 24392), (3049, 21160), (4232, 15245), (5290, 12196), (6098, 10580)]