65659820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1319}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 146361600

約数和(自身を除く): 80701780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 1319, 2489, 2620, 2638, 4978, 5276, 6595, 9956, 12445, 13190, 24890, 25061, 26380, 49780, 50122, 100244, 125305, 172789, 250610, 345578, 501220, 691156, 863945, 1727890, 3282991, 3455780, 6565982, 13131964, 16414955, 32829910, 65659820]

約数ペア:

[(1, 65659820), (2, 32829910), (4, 16414955), (5, 13131964), (10, 6565982), (19, 3455780), (20, 3282991), (38, 1727890), (76, 863945), (95, 691156), (131, 501220), (190, 345578), (262, 250610), (380, 172789), (524, 125305), (655, 100244), (1310, 50122), (1319, 49780), (2489, 26380), (2620, 25061), (2638, 24890), (4978, 13190), (5276, 12445), (6595, 9956)]