156907160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55249}}^1$

素因数の和:55331

約数の個数: 32

約数和(自身を含む): 358020000

約数和(自身を除く): 201112840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 55249, 110498, 220996, 276245, 441992, 552490, 1104980, 2209960, 3922679, 7845358, 15690716, 19613395, 31381432, 39226790, 78453580, 156907160]

約数ペア:

[(1, 156907160), (2, 78453580), (4, 39226790), (5, 31381432), (8, 19613395), (10, 15690716), (20, 7845358), (40, 3922679), (71, 2209960), (142, 1104980), (284, 552490), (355, 441992), (568, 276245), (710, 220996), (1420, 110498), (2840, 55249)]