12758240

素因数分解:

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

素因数の和:696

約数の個数: 72

約数和(自身を含む): 33180840

約数和(自身を除く): 20422600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 659, 880, 968, 1210, 1318, 1760, 1936, 2420, 2636, 3295, 3872, 4840, 5272, 6590, 7249, 9680, 10544, 13180, 14498, 19360, 21088, 26360, 28996, 36245, 52720, 57992, 72490, 79739, 105440, 115984, 144980, 159478, 231968, 289960, 318956, 398695, 579920, 637912, 797390, 1159840, 1275824, 1594780, 2551648, 3189560, 6379120, 12758240]

約数ペア:

[(1, 12758240), (2, 6379120), (4, 3189560), (5, 2551648), (8, 1594780), (10, 1275824), (11, 1159840), (16, 797390), (20, 637912), (22, 579920), (32, 398695), (40, 318956), (44, 289960), (55, 231968), (80, 159478), (88, 144980), (110, 115984), (121, 105440), (160, 79739), (176, 72490), (220, 57992), (242, 52720), (352, 36245), (440, 28996), (484, 26360), (605, 21088), (659, 19360), (880, 14498), (968, 13180), (1210, 10544), (1318, 9680), (1760, 7249), (1936, 6590), (2420, 5272), (2636, 4840), (3295, 3872)]