128102560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42139}}^1$

素因数の和:42173

約数の個数: 48

約数和(自身を含む): 318578400

約数和(自身を除く): 190475840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 42139, 84278, 168556, 210695, 337112, 421390, 674224, 800641, 842780, 1348448, 1601282, 1685560, 3202564, 3371120, 4003205, 6405128, 6742240, 8006410, 12810256, 16012820, 25620512, 32025640, 64051280, 128102560]

約数ペア:

[(1, 128102560), (2, 64051280), (4, 32025640), (5, 25620512), (8, 16012820), (10, 12810256), (16, 8006410), (19, 6742240), (20, 6405128), (32, 4003205), (38, 3371120), (40, 3202564), (76, 1685560), (80, 1601282), (95, 1348448), (152, 842780), (160, 800641), (190, 674224), (304, 421390), (380, 337112), (608, 210695), (760, 168556), (1520, 84278), (3040, 42139)]