1216280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 2948400

約数和(自身を除く): 1732120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2339, 4678, 9356, 11695, 18712, 23390, 30407, 46780, 60814, 93560, 121628, 152035, 243256, 304070, 608140, 1216280]

約数ペア:

[(1, 1216280), (2, 608140), (4, 304070), (5, 243256), (8, 152035), (10, 121628), (13, 93560), (20, 60814), (26, 46780), (40, 30407), (52, 23390), (65, 18712), (104, 11695), (130, 9356), (260, 4678), (520, 2339)]