139815280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{158881}}^1$

素因数の和:158905

約数の個数: 40

約数和(自身を含む): 354624624

約数和(自身を除く): 214809344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 158881, 317762, 635524, 794405, 1271048, 1588810, 1747691, 2542096, 3177620, 3495382, 6355240, 6990764, 8738455, 12710480, 13981528, 17476910, 27963056, 34953820, 69907640, 139815280]

約数ペア:

[(1, 139815280), (2, 69907640), (4, 34953820), (5, 27963056), (8, 17476910), (10, 13981528), (11, 12710480), (16, 8738455), (20, 6990764), (22, 6355240), (40, 3495382), (44, 3177620), (55, 2542096), (80, 1747691), (88, 1588810), (110, 1271048), (176, 794405), (220, 635524), (440, 317762), (880, 158881)]