85860080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 208915200

約数和(自身を除く): 123055120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 389, 445, 496, 620, 712, 778, 890, 1240, 1424, 1556, 1780, 1945, 2480, 2759, 3112, 3560, 3890, 5518, 6224, 7120, 7780, 11036, 12059, 13795, 15560, 22072, 24118, 27590, 31120, 34621, 44144, 48236, 55180, 60295, 69242, 96472, 110360, 120590, 138484, 173105, 192944, 220720, 241180, 276968, 346210, 482360, 553936, 692420, 964720, 1073251, 1384840, 2146502, 2769680, 4293004, 5366255, 8586008, 10732510, 17172016, 21465020, 42930040, 85860080]

約数ペア:

[(1, 85860080), (2, 42930040), (4, 21465020), (5, 17172016), (8, 10732510), (10, 8586008), (16, 5366255), (20, 4293004), (31, 2769680), (40, 2146502), (62, 1384840), (80, 1073251), (89, 964720), (124, 692420), (155, 553936), (178, 482360), (248, 346210), (310, 276968), (356, 241180), (389, 220720), (445, 192944), (496, 173105), (620, 138484), (712, 120590), (778, 110360), (890, 96472), (1240, 69242), (1424, 60295), (1556, 55180), (1780, 48236), (1945, 44144), (2480, 34621), (2759, 31120), (3112, 27590), (3560, 24118), (3890, 22072), (5518, 15560), (6224, 13795), (7120, 12059), (7780, 11036)]