22127180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 26498740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 401, 445, 620, 802, 890, 1604, 1780, 2005, 2759, 4010, 5518, 8020, 11036, 12431, 13795, 24862, 27590, 35689, 49724, 55180, 62155, 71378, 124310, 142756, 178445, 248620, 356890, 713780, 1106359, 2212718, 4425436, 5531795, 11063590, 22127180]

約数ペア:

[(1, 22127180), (2, 11063590), (4, 5531795), (5, 4425436), (10, 2212718), (20, 1106359), (31, 713780), (62, 356890), (89, 248620), (124, 178445), (155, 142756), (178, 124310), (310, 71378), (356, 62155), (401, 55180), (445, 49724), (620, 35689), (802, 27590), (890, 24862), (1604, 13795), (1780, 12431), (2005, 11036), (2759, 8020), (4010, 5518)]