125151340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 274224384

約数和(自身を除く): 149073044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 2081, 3007, 4162, 6014, 8324, 10405, 12028, 15035, 20810, 30070, 41620, 60140, 64511, 129022, 201857, 258044, 322555, 403714, 645110, 807428, 1009285, 1290220, 2018570, 4037140, 6257567, 12515134, 25030268, 31287835, 62575670, 125151340]

約数ペア:

[(1, 125151340), (2, 62575670), (4, 31287835), (5, 25030268), (10, 12515134), (20, 6257567), (31, 4037140), (62, 2018570), (97, 1290220), (124, 1009285), (155, 807428), (194, 645110), (310, 403714), (388, 322555), (485, 258044), (620, 201857), (970, 129022), (1940, 64511), (2081, 60140), (3007, 41620), (4162, 30070), (6014, 20810), (8324, 15035), (10405, 12028)]