25951420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 33923780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 659, 716, 895, 1318, 1790, 1969, 2636, 3295, 3580, 3938, 6590, 7249, 7876, 9845, 13180, 14498, 19690, 28996, 36245, 39380, 72490, 117961, 144980, 235922, 471844, 589805, 1179610, 1297571, 2359220, 2595142, 5190284, 6487855, 12975710, 25951420]

約数ペア:

[(1, 25951420), (2, 12975710), (4, 6487855), (5, 5190284), (10, 2595142), (11, 2359220), (20, 1297571), (22, 1179610), (44, 589805), (55, 471844), (110, 235922), (179, 144980), (220, 117961), (358, 72490), (659, 39380), (716, 36245), (895, 28996), (1318, 19690), (1790, 14498), (1969, 13180), (2636, 9845), (3295, 7876), (3580, 7249), (3938, 6590)]