12855850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 28533888

約数和(自身を除く): 15678038

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1597, 1610, 3194, 4025, 7985, 8050, 11179, 15970, 22358, 36731, 39925, 55895, 73462, 79850, 111790, 183655, 257117, 279475, 367310, 514234, 558950, 918275, 1285585, 1836550, 2571170, 6427925, 12855850]

約数ペア:

[(1, 12855850), (2, 6427925), (5, 2571170), (7, 1836550), (10, 1285585), (14, 918275), (23, 558950), (25, 514234), (35, 367310), (46, 279475), (50, 257117), (70, 183655), (115, 111790), (161, 79850), (175, 73462), (230, 55895), (322, 39925), (350, 36731), (575, 22358), (805, 15970), (1150, 11179), (1597, 8050), (1610, 7985), (3194, 4025)]