49680020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1753}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 113448720

約数和(自身を除く): 63768700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 1753, 2180, 2834, 3506, 5668, 7012, 7085, 8765, 14170, 17530, 22789, 28340, 35060, 45578, 91156, 113945, 191077, 227890, 382154, 455780, 764308, 955385, 1910770, 2484001, 3821540, 4968002, 9936004, 12420005, 24840010, 49680020]

約数ペア:

[(1, 49680020), (2, 24840010), (4, 12420005), (5, 9936004), (10, 4968002), (13, 3821540), (20, 2484001), (26, 1910770), (52, 955385), (65, 764308), (109, 455780), (130, 382154), (218, 227890), (260, 191077), (436, 113945), (545, 91156), (1090, 45578), (1417, 35060), (1753, 28340), (2180, 22789), (2834, 17530), (3506, 14170), (5668, 8765), (7012, 7085)]