31481440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4799}}^1$

素因数の和:4855

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 44723360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4799, 6560, 9598, 19196, 23995, 38392, 47990, 76784, 95980, 153568, 191960, 196759, 383920, 393518, 767840, 787036, 983795, 1574072, 1967590, 3148144, 3935180, 6296288, 7870360, 15740720, 31481440]

約数ペア:

[(1, 31481440), (2, 15740720), (4, 7870360), (5, 6296288), (8, 3935180), (10, 3148144), (16, 1967590), (20, 1574072), (32, 983795), (40, 787036), (41, 767840), (80, 393518), (82, 383920), (160, 196759), (164, 191960), (205, 153568), (328, 95980), (410, 76784), (656, 47990), (820, 38392), (1312, 23995), (1640, 19196), (3280, 9598), (4799, 6560)]