20010050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19174942

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 227, 410, 430, 454, 1025, 1075, 1135, 1763, 2050, 2150, 2270, 3526, 5675, 8815, 9307, 9761, 11350, 17630, 18614, 19522, 44075, 46535, 48805, 88150, 93070, 97610, 232675, 244025, 400201, 465350, 488050, 800402, 2001005, 4002010, 10005025, 20010050]

約数ペア:

[(1, 20010050), (2, 10005025), (5, 4002010), (10, 2001005), (25, 800402), (41, 488050), (43, 465350), (50, 400201), (82, 244025), (86, 232675), (205, 97610), (215, 93070), (227, 88150), (410, 48805), (430, 46535), (454, 44075), (1025, 19522), (1075, 18614), (1135, 17630), (1763, 11350), (2050, 9761), (2150, 9307), (2270, 8815), (3526, 5675)]