83089880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 200854080

約数和(自身を除く): 117764200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 1721, 2414, 2840, 3442, 4828, 6035, 6884, 8605, 9656, 12070, 13768, 17210, 24140, 29257, 34420, 48280, 58514, 68840, 117028, 122191, 146285, 234056, 244382, 292570, 488764, 585140, 610955, 977528, 1170280, 1221910, 2077247, 2443820, 4154494, 4887640, 8308988, 10386235, 16617976, 20772470, 41544940, 83089880]

約数ペア:

[(1, 83089880), (2, 41544940), (4, 20772470), (5, 16617976), (8, 10386235), (10, 8308988), (17, 4887640), (20, 4154494), (34, 2443820), (40, 2077247), (68, 1221910), (71, 1170280), (85, 977528), (136, 610955), (142, 585140), (170, 488764), (284, 292570), (340, 244382), (355, 234056), (568, 146285), (680, 122191), (710, 117028), (1207, 68840), (1420, 58514), (1721, 48280), (2414, 34420), (2840, 29257), (3442, 24140), (4828, 17210), (6035, 13768), (6884, 12070), (8605, 9656)]