265750120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{390809}}^1$

素因数の和:390837

約数の個数: 32

約数和(自身を含む): 633112200

約数和(自身を除く): 367362080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 390809, 781618, 1563236, 1954045, 3126472, 3908090, 6643753, 7816180, 13287506, 15632360, 26575012, 33218765, 53150024, 66437530, 132875060, 265750120]

約数ペア:

[(1, 265750120), (2, 132875060), (4, 66437530), (5, 53150024), (8, 33218765), (10, 26575012), (17, 15632360), (20, 13287506), (34, 7816180), (40, 6643753), (68, 3908090), (85, 3126472), (136, 1954045), (170, 1563236), (340, 781618), (680, 390809)]