138769360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20899}}^1$

素因数の和:20995

約数の個数: 40

約数和(自身を含む): 326541600

約数和(自身を除く): 187772240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 417980, 835960, 1671920, 1734617, 3469234, 6938468, 8673085, 13876936, 17346170, 27753872, 34692340, 69384680, 138769360]

約数ペア:

[(1, 138769360), (2, 69384680), (4, 34692340), (5, 27753872), (8, 17346170), (10, 13876936), (16, 8673085), (20, 6938468), (40, 3469234), (80, 1734617), (83, 1671920), (166, 835960), (332, 417980), (415, 334384), (664, 208990), (830, 167192), (1328, 104495), (1660, 83596), (3320, 41798), (6640, 20899)]