72227240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44041}}^1$

素因数の和:44093

約数の個数: 32

約数和(自身を含む): 166478760

約数和(自身を除く): 94251520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44041, 88082, 176164, 220205, 352328, 440410, 880820, 1761640, 1805681, 3611362, 7222724, 9028405, 14445448, 18056810, 36113620, 72227240]

約数ペア:

[(1, 72227240), (2, 36113620), (4, 18056810), (5, 14445448), (8, 9028405), (10, 7222724), (20, 3611362), (40, 1805681), (41, 1761640), (82, 880820), (164, 440410), (205, 352328), (328, 220205), (410, 176164), (820, 88082), (1640, 44041)]