28322240

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1405

約数の個数: 56

約数和(自身を含む): 68500752

約数和(自身を除く): 40178512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1321, 1340, 2144, 2642, 2680, 4288, 5284, 5360, 6605, 10568, 10720, 13210, 21136, 21440, 26420, 42272, 52840, 84544, 88507, 105680, 177014, 211360, 354028, 422720, 442535, 708056, 885070, 1416112, 1770140, 2832224, 3540280, 5664448, 7080560, 14161120, 28322240]

約数ペア:

[(1, 28322240), (2, 14161120), (4, 7080560), (5, 5664448), (8, 3540280), (10, 2832224), (16, 1770140), (20, 1416112), (32, 885070), (40, 708056), (64, 442535), (67, 422720), (80, 354028), (134, 211360), (160, 177014), (268, 105680), (320, 88507), (335, 84544), (536, 52840), (670, 42272), (1072, 26420), (1321, 21440), (1340, 21136), (2144, 13210), (2642, 10720), (2680, 10568), (4288, 6605), (5284, 5360)]