40171880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 105287040

約数和(自身を除く): 65115160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2707, 2968, 3710, 5414, 7420, 10828, 13535, 14840, 18949, 21656, 27070, 37898, 54140, 75796, 94745, 108280, 143471, 151592, 189490, 286942, 378980, 573884, 717355, 757960, 1004297, 1147768, 1434710, 2008594, 2869420, 4017188, 5021485, 5738840, 8034376, 10042970, 20085940, 40171880]

約数ペア:

[(1, 40171880), (2, 20085940), (4, 10042970), (5, 8034376), (7, 5738840), (8, 5021485), (10, 4017188), (14, 2869420), (20, 2008594), (28, 1434710), (35, 1147768), (40, 1004297), (53, 757960), (56, 717355), (70, 573884), (106, 378980), (140, 286942), (212, 189490), (265, 151592), (280, 143471), (371, 108280), (424, 94745), (530, 75796), (742, 54140), (1060, 37898), (1484, 27070), (1855, 21656), (2120, 18949), (2707, 14840), (2968, 13535), (3710, 10828), (5414, 7420)]