25557620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 34771180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 179, 220, 236, 242, 295, 358, 484, 590, 605, 649, 716, 895, 1180, 1210, 1298, 1790, 1969, 2420, 2596, 3245, 3580, 3938, 6490, 7139, 7876, 9845, 10561, 12980, 14278, 19690, 21122, 21659, 28556, 35695, 39380, 42244, 43318, 52805, 71390, 86636, 105610, 108295, 116171, 142780, 211220, 216590, 232342, 433180, 464684, 580855, 1161710, 1277881, 2323420, 2555762, 5111524, 6389405, 12778810, 25557620]

約数ペア:

[(1, 25557620), (2, 12778810), (4, 6389405), (5, 5111524), (10, 2555762), (11, 2323420), (20, 1277881), (22, 1161710), (44, 580855), (55, 464684), (59, 433180), (110, 232342), (118, 216590), (121, 211220), (179, 142780), (220, 116171), (236, 108295), (242, 105610), (295, 86636), (358, 71390), (484, 52805), (590, 43318), (605, 42244), (649, 39380), (716, 35695), (895, 28556), (1180, 21659), (1210, 21122), (1298, 19690), (1790, 14278), (1969, 12980), (2420, 10561), (2596, 9845), (3245, 7876), (3580, 7139), (3938, 6490)]