28827040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1489}}^1$

素因数の和:1526

約数の個数: 72

約数和(自身を含む): 74908260

約数和(自身を除く): 46081220

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, 880, 968, 1210, 1489, 1760, 1936, 2420, 2978, 3872, 4840, 5956, 7445, 9680, 11912, 14890, 16379, 19360, 23824, 29780, 32758, 47648, 59560, 65516, 81895, 119120, 131032, 163790, 180169, 238240, 262064, 327580, 360338, 524128, 655160, 720676, 900845, 1310320, 1441352, 1801690, 2620640, 2882704, 3603380, 5765408, 7206760, 14413520, 28827040]

約数ペア:

[(1, 28827040), (2, 14413520), (4, 7206760), (5, 5765408), (8, 3603380), (10, 2882704), (11, 2620640), (16, 1801690), (20, 1441352), (22, 1310320), (32, 900845), (40, 720676), (44, 655160), (55, 524128), (80, 360338), (88, 327580), (110, 262064), (121, 238240), (160, 180169), (176, 163790), (220, 131032), (242, 119120), (352, 81895), (440, 65516), (484, 59560), (605, 47648), (880, 32758), (968, 29780), (1210, 23824), (1489, 19360), (1760, 16379), (1936, 14890), (2420, 11912), (2978, 9680), (3872, 7445), (4840, 5956)]