12788000

素因数分解:

$2^5\times 5^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20234080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 139, 160, 184, 200, 230, 250, 278, 368, 400, 460, 500, 556, 575, 695, 736, 800, 920, 1000, 1112, 1150, 1390, 1840, 2000, 2224, 2300, 2780, 2875, 3197, 3475, 3680, 4000, 4448, 4600, 5560, 5750, 6394, 6950, 9200, 11120, 11500, 12788, 13900, 15985, 17375, 18400, 22240, 23000, 25576, 27800, 31970, 34750, 46000, 51152, 55600, 63940, 69500, 79925, 92000, 102304, 111200, 127880, 139000, 159850, 255760, 278000, 319700, 399625, 511520, 556000, 639400, 799250, 1278800, 1598500, 2557600, 3197000, 6394000, 12788000]

約数ペア:

[(1, 12788000), (2, 6394000), (4, 3197000), (5, 2557600), (8, 1598500), (10, 1278800), (16, 799250), (20, 639400), (23, 556000), (25, 511520), (32, 399625), (40, 319700), (46, 278000), (50, 255760), (80, 159850), (92, 139000), (100, 127880), (115, 111200), (125, 102304), (139, 92000), (160, 79925), (184, 69500), (200, 63940), (230, 55600), (250, 51152), (278, 46000), (368, 34750), (400, 31970), (460, 27800), (500, 25576), (556, 23000), (575, 22240), (695, 18400), (736, 17375), (800, 15985), (920, 13900), (1000, 12788), (1112, 11500), (1150, 11120), (1390, 9200), (1840, 6950), (2000, 6394), (2224, 5750), (2300, 5560), (2780, 4600), (2875, 4448), (3197, 4000), (3475, 3680)]