87956920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 118884680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 620, 712, 797, 890, 1240, 1594, 1780, 2759, 3188, 3560, 3985, 5518, 6376, 7970, 11036, 13795, 15940, 22072, 24707, 27590, 31880, 49414, 55180, 70933, 98828, 110360, 123535, 141866, 197656, 247070, 283732, 354665, 494140, 567464, 709330, 988280, 1418660, 2198923, 2837320, 4397846, 8795692, 10994615, 17591384, 21989230, 43978460, 87956920]

約数ペア:

[(1, 87956920), (2, 43978460), (4, 21989230), (5, 17591384), (8, 10994615), (10, 8795692), (20, 4397846), (31, 2837320), (40, 2198923), (62, 1418660), (89, 988280), (124, 709330), (155, 567464), (178, 494140), (248, 354665), (310, 283732), (356, 247070), (445, 197656), (620, 141866), (712, 123535), (797, 110360), (890, 98828), (1240, 70933), (1594, 55180), (1780, 49414), (2759, 31880), (3188, 27590), (3560, 24707), (3985, 22072), (5518, 15940), (6376, 13795), (7970, 11036)]