2005025560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79691}}^1$

素因数の和:79756

約数の個数: 64

約数和(自身を含む): 4905839520

約数和(自身を除く): 2900813960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 5032, 6290, 12580, 25160, 79691, 159382, 318764, 398455, 637528, 796910, 1354747, 1593820, 2709494, 2948567, 3187640, 5418988, 5897134, 6773735, 10837976, 11794268, 13547470, 14742835, 23588536, 27094940, 29485670, 50125639, 54189880, 58971340, 100251278, 117942680, 200502556, 250628195, 401005112, 501256390, 1002512780, 2005025560]

約数ペア:

[(1, 2005025560), (2, 1002512780), (4, 501256390), (5, 401005112), (8, 250628195), (10, 200502556), (17, 117942680), (20, 100251278), (34, 58971340), (37, 54189880), (40, 50125639), (68, 29485670), (74, 27094940), (85, 23588536), (136, 14742835), (148, 13547470), (170, 11794268), (185, 10837976), (296, 6773735), (340, 5897134), (370, 5418988), (629, 3187640), (680, 2948567), (740, 2709494), (1258, 1593820), (1480, 1354747), (2516, 796910), (3145, 637528), (5032, 398455), (6290, 318764), (12580, 159382), (25160, 79691)]