4291604920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{2797}}^1$

素因数の和:3328

約数の個数: 64

約数和(自身を含む): 9790761600

約数和(自身を除く): 5499156680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 431, 445, 712, 862, 890, 1724, 1780, 2155, 2797, 3448, 3560, 4310, 5594, 8620, 11188, 13985, 17240, 22376, 27970, 38359, 55940, 76718, 111880, 153436, 191795, 248933, 306872, 383590, 497866, 767180, 995732, 1205507, 1244665, 1534360, 1991464, 2411014, 2489330, 4822028, 4978660, 6027535, 9644056, 9957320, 12055070, 24110140, 48220280, 107290123, 214580246, 429160492, 536450615, 858320984, 1072901230, 2145802460, 4291604920]

約数ペア:

[(1, 4291604920), (2, 2145802460), (4, 1072901230), (5, 858320984), (8, 536450615), (10, 429160492), (20, 214580246), (40, 107290123), (89, 48220280), (178, 24110140), (356, 12055070), (431, 9957320), (445, 9644056), (712, 6027535), (862, 4978660), (890, 4822028), (1724, 2489330), (1780, 2411014), (2155, 1991464), (2797, 1534360), (3448, 1244665), (3560, 1205507), (4310, 995732), (5594, 767180), (8620, 497866), (11188, 383590), (13985, 306872), (17240, 248933), (22376, 191795), (27970, 153436), (38359, 111880), (55940, 76718)]