64712380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 139436640

約数和(自身を除く): 74724260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 173, 236, 295, 317, 346, 590, 634, 692, 865, 1180, 1268, 1585, 1730, 3170, 3460, 6340, 10207, 18703, 20414, 37406, 40828, 51035, 54841, 74812, 93515, 102070, 109682, 187030, 204140, 219364, 274205, 374060, 548410, 1096820, 3235619, 6471238, 12942476, 16178095, 32356190, 64712380]

約数ペア:

[(1, 64712380), (2, 32356190), (4, 16178095), (5, 12942476), (10, 6471238), (20, 3235619), (59, 1096820), (118, 548410), (173, 374060), (236, 274205), (295, 219364), (317, 204140), (346, 187030), (590, 109682), (634, 102070), (692, 93515), (865, 74812), (1180, 54841), (1268, 51035), (1585, 40828), (1730, 37406), (3170, 20414), (3460, 18703), (6340, 10207)]