172693160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{100403}}^1$

素因数の和:100457

約数の個数: 32

約数和(自身を含む): 397599840

約数和(自身を除く): 224906680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 100403, 200806, 401612, 502015, 803224, 1004030, 2008060, 4016120, 4317329, 8634658, 17269316, 21586645, 34538632, 43173290, 86346580, 172693160]

約数ペア:

[(1, 172693160), (2, 86346580), (4, 43173290), (5, 34538632), (8, 21586645), (10, 17269316), (20, 8634658), (40, 4317329), (43, 4016120), (86, 2008060), (172, 1004030), (215, 803224), (344, 502015), (430, 401612), (860, 200806), (1720, 100403)]