39526780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 85307040

約数和(自身を除く): 45780260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 181, 244, 305, 358, 362, 610, 716, 724, 895, 905, 1220, 1790, 1810, 3580, 3620, 10919, 11041, 21838, 22082, 32399, 43676, 44164, 54595, 55205, 64798, 109190, 110410, 129596, 161995, 218380, 220820, 323990, 647980, 1976339, 3952678, 7905356, 9881695, 19763390, 39526780]

約数ペア:

[(1, 39526780), (2, 19763390), (4, 9881695), (5, 7905356), (10, 3952678), (20, 1976339), (61, 647980), (122, 323990), (179, 220820), (181, 218380), (244, 161995), (305, 129596), (358, 110410), (362, 109190), (610, 64798), (716, 55205), (724, 54595), (895, 44164), (905, 43676), (1220, 32399), (1790, 22082), (1810, 21838), (3580, 11041), (3620, 10919)]