87488960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21031}}^1$

素因数の和:21061

約数の個数: 56

約数和(自身を含む): 224369376

約数和(自身を除く): 136880416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21031, 42062, 84124, 105155, 168248, 210310, 273403, 336496, 420620, 546806, 672992, 841240, 1093612, 1345984, 1367015, 1682480, 2187224, 2734030, 3364960, 4374448, 5468060, 6729920, 8748896, 10936120, 17497792, 21872240, 43744480, 87488960]

約数ペア:

[(1, 87488960), (2, 43744480), (4, 21872240), (5, 17497792), (8, 10936120), (10, 8748896), (13, 6729920), (16, 5468060), (20, 4374448), (26, 3364960), (32, 2734030), (40, 2187224), (52, 1682480), (64, 1367015), (65, 1345984), (80, 1093612), (104, 841240), (130, 672992), (160, 546806), (208, 420620), (260, 336496), (320, 273403), (416, 210310), (520, 168248), (832, 105155), (1040, 84124), (2080, 42062), (4160, 21031)]