31473520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 80432352

約数和(自身を除く): 48958832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 571, 689, 848, 1040, 1060, 1142, 1378, 2120, 2284, 2756, 2855, 3445, 4240, 4568, 5512, 5710, 6890, 7423, 9136, 11024, 11420, 13780, 14846, 22840, 27560, 29692, 30263, 37115, 45680, 55120, 59384, 60526, 74230, 118768, 121052, 148460, 151315, 242104, 296920, 302630, 393419, 484208, 593840, 605260, 786838, 1210520, 1573676, 1967095, 2421040, 3147352, 3934190, 6294704, 7868380, 15736760, 31473520]

約数ペア:

[(1, 31473520), (2, 15736760), (4, 7868380), (5, 6294704), (8, 3934190), (10, 3147352), (13, 2421040), (16, 1967095), (20, 1573676), (26, 1210520), (40, 786838), (52, 605260), (53, 593840), (65, 484208), (80, 393419), (104, 302630), (106, 296920), (130, 242104), (208, 151315), (212, 148460), (260, 121052), (265, 118768), (424, 74230), (520, 60526), (530, 59384), (571, 55120), (689, 45680), (848, 37115), (1040, 30263), (1060, 29692), (1142, 27560), (1378, 22840), (2120, 14846), (2284, 13780), (2756, 11420), (2855, 11024), (3445, 9136), (4240, 7423), (4568, 6890), (5512, 5710)]