261624350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5765

約数の個数: 48

約数和(自身を含む): 531528480

約数和(自身を除く): 269904130

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 923, 1775, 1846, 3550, 4615, 5669, 9230, 11338, 23075, 28345, 46150, 56690, 73697, 141725, 147394, 283450, 368485, 402499, 736970, 804998, 1842425, 2012495, 3684850, 4024990, 5232487, 10062475, 10464974, 20124950, 26162435, 52324870, 130812175, 261624350]

約数ペア:

[(1, 261624350), (2, 130812175), (5, 52324870), (10, 26162435), (13, 20124950), (25, 10464974), (26, 10062475), (50, 5232487), (65, 4024990), (71, 3684850), (130, 2012495), (142, 1842425), (325, 804998), (355, 736970), (650, 402499), (710, 368485), (923, 283450), (1775, 147394), (1846, 141725), (3550, 73697), (4615, 56690), (5669, 46150), (9230, 28345), (11338, 23075)]