72429160

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13217}}^1$

素因数の和:13365

約数の個数: 32

約数和(自身を含む): 164167560

約数和(自身を除く): 91738400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 528680, 1810729, 3621458, 7242916, 9053645, 14485832, 18107290, 36214580, 72429160]

約数ペア:

[(1, 72429160), (2, 36214580), (4, 18107290), (5, 14485832), (8, 9053645), (10, 7242916), (20, 3621458), (40, 1810729), (137, 528680), (274, 264340), (548, 132170), (685, 105736), (1096, 66085), (1370, 52868), (2740, 26434), (5480, 13217)]