31572460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 68654880

約数和(自身を除く): 37082420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 277, 278, 410, 554, 556, 695, 820, 1108, 1385, 1390, 2770, 2780, 5540, 5699, 11357, 11398, 22714, 22796, 28495, 38503, 45428, 56785, 56990, 77006, 113570, 113980, 154012, 192515, 227140, 385030, 770060, 1578623, 3157246, 6314492, 7893115, 15786230, 31572460]

約数ペア:

[(1, 31572460), (2, 15786230), (4, 7893115), (5, 6314492), (10, 3157246), (20, 1578623), (41, 770060), (82, 385030), (139, 227140), (164, 192515), (205, 154012), (277, 113980), (278, 113570), (410, 77006), (554, 56990), (556, 56785), (695, 45428), (820, 38503), (1108, 28495), (1385, 22796), (1390, 22714), (2770, 11398), (2780, 11357), (5540, 5699)]