28569220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 63141120

約数和(自身を除く): 34571900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 359, 460, 692, 718, 865, 1436, 1730, 1795, 3460, 3590, 3979, 7180, 7958, 8257, 15916, 16514, 19895, 33028, 39790, 41285, 62107, 79580, 82570, 124214, 165140, 248428, 310535, 621070, 1242140, 1428461, 2856922, 5713844, 7142305, 14284610, 28569220]

約数ペア:

[(1, 28569220), (2, 14284610), (4, 7142305), (5, 5713844), (10, 2856922), (20, 1428461), (23, 1242140), (46, 621070), (92, 310535), (115, 248428), (173, 165140), (230, 124214), (346, 82570), (359, 79580), (460, 62107), (692, 41285), (718, 39790), (865, 33028), (1436, 19895), (1730, 16514), (1795, 15916), (3460, 8257), (3590, 7958), (3979, 7180)]