401035520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2467}}^1$

素因数の和:2615

約数の個数: 72

約数和(自身を含む): 968561664

約数和(自身を除く): 567526144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2467, 2540, 4064, 4934, 5080, 8128, 9868, 10160, 12335, 16256, 19736, 20320, 24670, 32512, 39472, 40640, 49340, 78944, 81280, 98680, 157888, 162560, 197360, 313309, 315776, 394720, 626618, 631552, 789440, 1253236, 1566545, 1578880, 2506472, 3133090, 3157760, 5012944, 6266180, 10025888, 12532360, 20051776, 25064720, 40103552, 50129440, 80207104, 100258880, 200517760, 401035520]

約数ペア:

[(1, 401035520), (2, 200517760), (4, 100258880), (5, 80207104), (8, 50129440), (10, 40103552), (16, 25064720), (20, 20051776), (32, 12532360), (40, 10025888), (64, 6266180), (80, 5012944), (127, 3157760), (128, 3133090), (160, 2506472), (254, 1578880), (256, 1566545), (320, 1253236), (508, 789440), (635, 631552), (640, 626618), (1016, 394720), (1270, 315776), (1280, 313309), (2032, 197360), (2467, 162560), (2540, 157888), (4064, 98680), (4934, 81280), (5080, 78944), (8128, 49340), (9868, 40640), (10160, 39472), (12335, 32512), (16256, 24670), (19736, 20320)]