53709940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 116769744

約数和(自身を除く): 63059804

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 181, 185, 362, 370, 401, 724, 740, 802, 905, 1604, 1810, 2005, 3620, 4010, 6697, 8020, 13394, 14837, 26788, 29674, 33485, 59348, 66970, 72581, 74185, 133940, 145162, 148370, 290324, 296740, 362905, 725810, 1451620, 2685497, 5370994, 10741988, 13427485, 26854970, 53709940]

約数ペア:

[(1, 53709940), (2, 26854970), (4, 13427485), (5, 10741988), (10, 5370994), (20, 2685497), (37, 1451620), (74, 725810), (148, 362905), (181, 296740), (185, 290324), (362, 148370), (370, 145162), (401, 133940), (724, 74185), (740, 72581), (802, 66970), (905, 59348), (1604, 33485), (1810, 29674), (2005, 26788), (3620, 14837), (4010, 13394), (6697, 8020)]