40491854840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1663}}^1\times {\mathrm{3187}}^1$

素因数の和:5052

約数の個数: 64

約数和(自身を含む): 91667496960

約数和(自身を除く): 51175642120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1663, 1910, 3187, 3326, 3820, 6374, 6652, 7640, 8315, 12748, 13304, 15935, 16630, 25496, 31870, 33260, 63740, 66520, 127480, 317633, 608717, 635266, 1217434, 1270532, 1588165, 2434868, 2541064, 3043585, 3176330, 4869736, 5299981, 6087170, 6352660, 10599962, 12174340, 12705320, 21199924, 24348680, 26499905, 42399848, 52999810, 105999620, 211999240, 1012296371, 2024592742, 4049185484, 5061481855, 8098370968, 10122963710, 20245927420, 40491854840]

約数ペア:

[(1, 40491854840), (2, 20245927420), (4, 10122963710), (5, 8098370968), (8, 5061481855), (10, 4049185484), (20, 2024592742), (40, 1012296371), (191, 211999240), (382, 105999620), (764, 52999810), (955, 42399848), (1528, 26499905), (1663, 24348680), (1910, 21199924), (3187, 12705320), (3326, 12174340), (3820, 10599962), (6374, 6352660), (6652, 6087170), (7640, 5299981), (8315, 4869736), (12748, 3176330), (13304, 3043585), (15935, 2541064), (16630, 2434868), (25496, 1588165), (31870, 1270532), (33260, 1217434), (63740, 635266), (66520, 608717), (127480, 317633)]