72084560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21977}}^1$

素因数の和:22031

約数の個数: 40

約数和(自身を含む): 171692136

約数和(自身を除く): 99607576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21977, 43954, 87908, 109885, 175816, 219770, 351632, 439540, 879080, 901057, 1758160, 1802114, 3604228, 4505285, 7208456, 9010570, 14416912, 18021140, 36042280, 72084560]

約数ペア:

[(1, 72084560), (2, 36042280), (4, 18021140), (5, 14416912), (8, 9010570), (10, 7208456), (16, 4505285), (20, 3604228), (40, 1802114), (41, 1758160), (80, 901057), (82, 879080), (164, 439540), (205, 351632), (328, 219770), (410, 175816), (656, 109885), (820, 87908), (1640, 43954), (3280, 21977)]