20216058320

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{599}}^1\times {\mathrm{1523}}^1$

素因数の和:2412

約数の個数: 80

約数和(自身を含む): 47281795200

約数和(自身を除く): 27065736880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 599, 1108, 1198, 1385, 1523, 2216, 2396, 2770, 2995, 3046, 4432, 4792, 5540, 5990, 6092, 7615, 9584, 11080, 11980, 12184, 15230, 22160, 23960, 24368, 30460, 47920, 60920, 121840, 165923, 331846, 421871, 663692, 829615, 843742, 912277, 1327384, 1659230, 1687484, 1824554, 2109355, 2654768, 3318460, 3374968, 3649108, 4218710, 4561385, 6636920, 6749936, 7298216, 8437420, 9122770, 13273840, 14596432, 16874840, 18245540, 33749680, 36491080, 72982160, 252700729, 505401458, 1010802916, 1263503645, 2021605832, 2527007290, 4043211664, 5054014580, 10108029160, 20216058320]

約数ペア:

[(1, 20216058320), (2, 10108029160), (4, 5054014580), (5, 4043211664), (8, 2527007290), (10, 2021605832), (16, 1263503645), (20, 1010802916), (40, 505401458), (80, 252700729), (277, 72982160), (554, 36491080), (599, 33749680), (1108, 18245540), (1198, 16874840), (1385, 14596432), (1523, 13273840), (2216, 9122770), (2396, 8437420), (2770, 7298216), (2995, 6749936), (3046, 6636920), (4432, 4561385), (4792, 4218710), (5540, 3649108), (5990, 3374968), (6092, 3318460), (7615, 2654768), (9584, 2109355), (11080, 1824554), (11980, 1687484), (12184, 1659230), (15230, 1327384), (22160, 912277), (23960, 843742), (24368, 829615), (30460, 663692), (47920, 421871), (60920, 331846), (121840, 165923)]