16678640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1723}}^1$

素因数の和:1758

約数の個数: 60

約数和(自身を含む): 42648312

約数和(自身を除く): 25969672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1723, 1936, 2420, 3446, 4840, 6892, 8615, 9680, 13784, 17230, 18953, 27568, 34460, 37906, 68920, 75812, 94765, 137840, 151624, 189530, 208483, 303248, 379060, 416966, 758120, 833932, 1042415, 1516240, 1667864, 2084830, 3335728, 4169660, 8339320, 16678640]

約数ペア:

[(1, 16678640), (2, 8339320), (4, 4169660), (5, 3335728), (8, 2084830), (10, 1667864), (11, 1516240), (16, 1042415), (20, 833932), (22, 758120), (40, 416966), (44, 379060), (55, 303248), (80, 208483), (88, 189530), (110, 151624), (121, 137840), (176, 94765), (220, 75812), (242, 68920), (440, 37906), (484, 34460), (605, 27568), (880, 18953), (968, 17230), (1210, 13784), (1723, 9680), (1936, 8615), (2420, 6892), (3446, 4840)]