78217360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75209}}^1$

素因数の和:75235

約数の個数: 40

約数和(自身を含む): 195846840

約数和(自身を除く): 117629480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75209, 150418, 300836, 376045, 601672, 752090, 977717, 1203344, 1504180, 1955434, 3008360, 3910868, 4888585, 6016720, 7821736, 9777170, 15643472, 19554340, 39108680, 78217360]

約数ペア:

[(1, 78217360), (2, 39108680), (4, 19554340), (5, 15643472), (8, 9777170), (10, 7821736), (13, 6016720), (16, 4888585), (20, 3910868), (26, 3008360), (40, 1955434), (52, 1504180), (65, 1203344), (80, 977717), (104, 752090), (130, 601672), (208, 376045), (260, 300836), (520, 150418), (1040, 75209)]