99907280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10321}}^1$

素因数の和:10356

約数の個数: 60

約数和(自身を含む): 255345636

約数和(自身を除く): 155438356

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 10321, 20642, 41284, 51605, 82568, 103210, 113531, 165136, 206420, 227062, 412840, 454124, 567655, 825680, 908248, 1135310, 1248841, 1816496, 2270620, 2497682, 4541240, 4995364, 6244205, 9082480, 9990728, 12488410, 19981456, 24976820, 49953640, 99907280]

約数ペア:

[(1, 99907280), (2, 49953640), (4, 24976820), (5, 19981456), (8, 12488410), (10, 9990728), (11, 9082480), (16, 6244205), (20, 4995364), (22, 4541240), (40, 2497682), (44, 2270620), (55, 1816496), (80, 1248841), (88, 1135310), (110, 908248), (121, 825680), (176, 567655), (220, 454124), (242, 412840), (440, 227062), (484, 206420), (605, 165136), (880, 113531), (968, 103210), (1210, 82568), (1936, 51605), (2420, 41284), (4840, 20642), (9680, 10321)]