25747480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 63763200

約数和(自身を除く): 38015720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 359, 440, 652, 718, 815, 1304, 1436, 1630, 1793, 1795, 2872, 3260, 3586, 3590, 3949, 6520, 7172, 7180, 7898, 8965, 14344, 14360, 15796, 17930, 19745, 31592, 35860, 39490, 58517, 71720, 78980, 117034, 157960, 234068, 292585, 468136, 585170, 643687, 1170340, 1287374, 2340680, 2574748, 3218435, 5149496, 6436870, 12873740, 25747480]

約数ペア:

[(1, 25747480), (2, 12873740), (4, 6436870), (5, 5149496), (8, 3218435), (10, 2574748), (11, 2340680), (20, 1287374), (22, 1170340), (40, 643687), (44, 585170), (55, 468136), (88, 292585), (110, 234068), (163, 157960), (220, 117034), (326, 78980), (359, 71720), (440, 58517), (652, 39490), (718, 35860), (815, 31592), (1304, 19745), (1436, 17930), (1630, 15796), (1793, 14360), (1795, 14344), (2872, 8965), (3260, 7898), (3586, 7180), (3590, 7172), (3949, 6520)]