17750980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 40783680

約数和(自身を除く): 23032700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1019, 1340, 1742, 2038, 3484, 4076, 4355, 5095, 8710, 10190, 13247, 17420, 20380, 26494, 52988, 66235, 68273, 132470, 136546, 264940, 273092, 341365, 682730, 887549, 1365460, 1775098, 3550196, 4437745, 8875490, 17750980]

約数ペア:

[(1, 17750980), (2, 8875490), (4, 4437745), (5, 3550196), (10, 1775098), (13, 1365460), (20, 887549), (26, 682730), (52, 341365), (65, 273092), (67, 264940), (130, 136546), (134, 132470), (260, 68273), (268, 66235), (335, 52988), (670, 26494), (871, 20380), (1019, 17420), (1340, 13247), (1742, 10190), (2038, 8710), (3484, 5095), (4076, 4355)]