136750120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262981}}^1$

素因数の和:263005

約数の個数: 32

約数和(自身を含む): 331357320

約数和(自身を除く): 194607200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 262981, 525962, 1051924, 1314905, 2103848, 2629810, 3418753, 5259620, 6837506, 10519240, 13675012, 17093765, 27350024, 34187530, 68375060, 136750120]

約数ペア:

[(1, 136750120), (2, 68375060), (4, 34187530), (5, 27350024), (8, 17093765), (10, 13675012), (13, 10519240), (20, 6837506), (26, 5259620), (40, 3418753), (52, 2629810), (65, 2103848), (104, 1314905), (130, 1051924), (260, 525962), (520, 262981)]