78857360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26641}}^1$

素因数の和:26691

約数の個数: 40

約数和(自身を含む): 188305656

約数和(自身を除く): 109448296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 26641, 53282, 106564, 133205, 213128, 266410, 426256, 532820, 985717, 1065640, 1971434, 2131280, 3942868, 4928585, 7885736, 9857170, 15771472, 19714340, 39428680, 78857360]

約数ペア:

[(1, 78857360), (2, 39428680), (4, 19714340), (5, 15771472), (8, 9857170), (10, 7885736), (16, 4928585), (20, 3942868), (37, 2131280), (40, 1971434), (74, 1065640), (80, 985717), (148, 532820), (185, 426256), (296, 266410), (370, 213128), (592, 133205), (740, 106564), (1480, 53282), (2960, 26641)]