31750820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 69769728

約数和(自身を除く): 38018908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 617, 620, 830, 1234, 1660, 2468, 2573, 3085, 5146, 6170, 10292, 12340, 12865, 19127, 25730, 38254, 51211, 51460, 76508, 95635, 102422, 191270, 204844, 256055, 382540, 512110, 1024220, 1587541, 3175082, 6350164, 7937705, 15875410, 31750820]

約数ペア:

[(1, 31750820), (2, 15875410), (4, 7937705), (5, 6350164), (10, 3175082), (20, 1587541), (31, 1024220), (62, 512110), (83, 382540), (124, 256055), (155, 204844), (166, 191270), (310, 102422), (332, 95635), (415, 76508), (617, 51460), (620, 51211), (830, 38254), (1234, 25730), (1660, 19127), (2468, 12865), (2573, 12340), (3085, 10292), (5146, 6170)]