12939800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 32810400

約数和(自身を除く): 19870600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 29, 40, 46, 50, 58, 92, 97, 100, 115, 116, 145, 184, 194, 200, 230, 232, 290, 388, 460, 485, 575, 580, 667, 725, 776, 920, 970, 1150, 1160, 1334, 1450, 1940, 2231, 2300, 2425, 2668, 2813, 2900, 3335, 3880, 4462, 4600, 4850, 5336, 5626, 5800, 6670, 8924, 9700, 11155, 11252, 13340, 14065, 16675, 17848, 19400, 22310, 22504, 26680, 28130, 33350, 44620, 55775, 56260, 64699, 66700, 70325, 89240, 111550, 112520, 129398, 133400, 140650, 223100, 258796, 281300, 323495, 446200, 517592, 562600, 646990, 1293980, 1617475, 2587960, 3234950, 6469900, 12939800]

約数ペア:

[(1, 12939800), (2, 6469900), (4, 3234950), (5, 2587960), (8, 1617475), (10, 1293980), (20, 646990), (23, 562600), (25, 517592), (29, 446200), (40, 323495), (46, 281300), (50, 258796), (58, 223100), (92, 140650), (97, 133400), (100, 129398), (115, 112520), (116, 111550), (145, 89240), (184, 70325), (194, 66700), (200, 64699), (230, 56260), (232, 55775), (290, 44620), (388, 33350), (460, 28130), (485, 26680), (575, 22504), (580, 22310), (667, 19400), (725, 17848), (776, 16675), (920, 14065), (970, 13340), (1150, 11252), (1160, 11155), (1334, 9700), (1450, 8924), (1940, 6670), (2231, 5800), (2300, 5626), (2425, 5336), (2668, 4850), (2813, 4600), (2900, 4462), (3335, 3880)]