88380280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129971}}^1$

素因数の和:129999

約数の個数: 32

約数和(自身を含む): 210554640

約数和(自身を除く): 122174360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 129971, 259942, 519884, 649855, 1039768, 1299710, 2209507, 2599420, 4419014, 5198840, 8838028, 11047535, 17676056, 22095070, 44190140, 88380280]

約数ペア:

[(1, 88380280), (2, 44190140), (4, 22095070), (5, 17676056), (8, 11047535), (10, 8838028), (17, 5198840), (20, 4419014), (34, 2599420), (40, 2209507), (68, 1299710), (85, 1039768), (136, 649855), (170, 519884), (340, 259942), (680, 129971)]