40921600

素因数分解:

$2^9\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 120

約数和(自身を含む): 106555680

約数和(自身を除く): 65634080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 139, 160, 184, 200, 230, 256, 278, 320, 368, 400, 460, 512, 556, 575, 640, 695, 736, 800, 920, 1112, 1150, 1280, 1390, 1472, 1600, 1840, 2224, 2300, 2560, 2780, 2944, 3197, 3200, 3475, 3680, 4448, 4600, 5560, 5888, 6394, 6400, 6950, 7360, 8896, 9200, 11120, 11776, 12788, 12800, 13900, 14720, 15985, 17792, 18400, 22240, 25576, 27800, 29440, 31970, 35584, 36800, 44480, 51152, 55600, 58880, 63940, 71168, 73600, 79925, 88960, 102304, 111200, 127880, 147200, 159850, 177920, 204608, 222400, 255760, 294400, 319700, 355840, 409216, 444800, 511520, 639400, 818432, 889600, 1023040, 1278800, 1636864, 1779200, 2046080, 2557600, 4092160, 5115200, 8184320, 10230400, 20460800, 40921600]

約数ペア:

[(1, 40921600), (2, 20460800), (4, 10230400), (5, 8184320), (8, 5115200), (10, 4092160), (16, 2557600), (20, 2046080), (23, 1779200), (25, 1636864), (32, 1278800), (40, 1023040), (46, 889600), (50, 818432), (64, 639400), (80, 511520), (92, 444800), (100, 409216), (115, 355840), (128, 319700), (139, 294400), (160, 255760), (184, 222400), (200, 204608), (230, 177920), (256, 159850), (278, 147200), (320, 127880), (368, 111200), (400, 102304), (460, 88960), (512, 79925), (556, 73600), (575, 71168), (640, 63940), (695, 58880), (736, 55600), (800, 51152), (920, 44480), (1112, 36800), (1150, 35584), (1280, 31970), (1390, 29440), (1472, 27800), (1600, 25576), (1840, 22240), (2224, 18400), (2300, 17792), (2560, 15985), (2780, 14720), (2944, 13900), (3197, 12800), (3200, 12788), (3475, 11776), (3680, 11120), (4448, 9200), (4600, 8896), (5560, 7360), (5888, 6950), (6394, 6400)]