12956680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2677}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 32055660

約数和(自身を除く): 19098980

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2677, 4840, 5354, 10708, 13385, 21416, 26770, 29447, 53540, 58894, 107080, 117788, 147235, 235576, 294470, 323917, 588940, 647834, 1177880, 1295668, 1619585, 2591336, 3239170, 6478340, 12956680]

約数ペア:

[(1, 12956680), (2, 6478340), (4, 3239170), (5, 2591336), (8, 1619585), (10, 1295668), (11, 1177880), (20, 647834), (22, 588940), (40, 323917), (44, 294470), (55, 235576), (88, 147235), (110, 117788), (121, 107080), (220, 58894), (242, 53540), (440, 29447), (484, 26770), (605, 21416), (968, 13385), (1210, 10708), (2420, 5354), (2677, 4840)]