16800280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 44712000

約数和(自身を除く): 27911720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2069, 4060, 4138, 8120, 8276, 10345, 14483, 16552, 20690, 28966, 41380, 57932, 60001, 72415, 82760, 115864, 120002, 144830, 240004, 289660, 300005, 420007, 480008, 579320, 600010, 840014, 1200020, 1680028, 2100035, 2400040, 3360056, 4200070, 8400140, 16800280]

約数ペア:

[(1, 16800280), (2, 8400140), (4, 4200070), (5, 3360056), (7, 2400040), (8, 2100035), (10, 1680028), (14, 1200020), (20, 840014), (28, 600010), (29, 579320), (35, 480008), (40, 420007), (56, 300005), (58, 289660), (70, 240004), (116, 144830), (140, 120002), (145, 115864), (203, 82760), (232, 72415), (280, 60001), (290, 57932), (406, 41380), (580, 28966), (812, 20690), (1015, 16552), (1160, 14483), (1624, 10345), (2030, 8276), (2069, 8120), (4060, 4138)]