13011010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 26000640

約数和(自身を除く): 12989630

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 155, 190, 235, 310, 470, 589, 893, 1178, 1457, 1786, 2209, 2914, 2945, 4418, 4465, 5890, 7285, 8930, 11045, 14570, 22090, 27683, 41971, 55366, 68479, 83942, 136958, 138415, 209855, 276830, 342395, 419710, 684790, 1301101, 2602202, 6505505, 13011010]

約数ペア:

[(1, 13011010), (2, 6505505), (5, 2602202), (10, 1301101), (19, 684790), (31, 419710), (38, 342395), (47, 276830), (62, 209855), (94, 138415), (95, 136958), (155, 83942), (190, 68479), (235, 55366), (310, 41971), (470, 27683), (589, 22090), (893, 14570), (1178, 11045), (1457, 8930), (1786, 7285), (2209, 5890), (2914, 4465), (2945, 4418)]