31460971880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{852139}}^1$

素因数の和:852234

約数の個数: 64

約数和(自身を含む): 77306140800

約数和(自身を除く): 45845168920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 7384, 9230, 18460, 36920, 852139, 1704278, 3408556, 4260695, 6817112, 8521390, 11077807, 17042780, 22155614, 34085560, 44311228, 55389035, 60501869, 88622456, 110778070, 121003738, 221556140, 242007476, 302509345, 443112280, 484014952, 605018690, 786524297, 1210037380, 1573048594, 2420074760, 3146097188, 3932621485, 6292194376, 7865242970, 15730485940, 31460971880]

約数ペア:

[(1, 31460971880), (2, 15730485940), (4, 7865242970), (5, 6292194376), (8, 3932621485), (10, 3146097188), (13, 2420074760), (20, 1573048594), (26, 1210037380), (40, 786524297), (52, 605018690), (65, 484014952), (71, 443112280), (104, 302509345), (130, 242007476), (142, 221556140), (260, 121003738), (284, 110778070), (355, 88622456), (520, 60501869), (568, 55389035), (710, 44311228), (923, 34085560), (1420, 22155614), (1846, 17042780), (2840, 11077807), (3692, 8521390), (4615, 6817112), (7384, 4260695), (9230, 3408556), (18460, 1704278), (36920, 852139)]