128525540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{44939}}^1$

素因数の和:44972

約数の個数: 48

約数和(自身を含む): 317096640

約数和(自身を除く): 188571100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 44939, 89878, 179756, 224695, 449390, 494329, 584207, 898780, 988658, 1168414, 1977316, 2336828, 2471645, 2921035, 4943290, 5842070, 6426277, 9886580, 11684140, 12852554, 25705108, 32131385, 64262770, 128525540]

約数ペア:

[(1, 128525540), (2, 64262770), (4, 32131385), (5, 25705108), (10, 12852554), (11, 11684140), (13, 9886580), (20, 6426277), (22, 5842070), (26, 4943290), (44, 2921035), (52, 2471645), (55, 2336828), (65, 1977316), (110, 1168414), (130, 988658), (143, 898780), (220, 584207), (260, 494329), (286, 449390), (572, 224695), (715, 179756), (1430, 89878), (2860, 44939)]