40998880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 108972864

約数和(自身を除く): 67973984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 736, 857, 920, 1040, 1196, 1495, 1714, 1840, 2080, 2392, 2990, 3428, 3680, 4285, 4784, 5980, 6856, 8570, 9568, 11141, 11960, 13712, 17140, 19711, 22282, 23920, 27424, 34280, 39422, 44564, 47840, 55705, 68560, 78844, 89128, 98555, 111410, 137120, 157688, 178256, 197110, 222820, 256243, 315376, 356512, 394220, 445640, 512486, 630752, 788440, 891280, 1024972, 1281215, 1576880, 1782560, 2049944, 2562430, 3153760, 4099888, 5124860, 8199776, 10249720, 20499440, 40998880]

約数ペア:

[(1, 40998880), (2, 20499440), (4, 10249720), (5, 8199776), (8, 5124860), (10, 4099888), (13, 3153760), (16, 2562430), (20, 2049944), (23, 1782560), (26, 1576880), (32, 1281215), (40, 1024972), (46, 891280), (52, 788440), (65, 630752), (80, 512486), (92, 445640), (104, 394220), (115, 356512), (130, 315376), (160, 256243), (184, 222820), (208, 197110), (230, 178256), (260, 157688), (299, 137120), (368, 111410), (416, 98555), (460, 89128), (520, 78844), (598, 68560), (736, 55705), (857, 47840), (920, 44564), (1040, 39422), (1196, 34280), (1495, 27424), (1714, 23920), (1840, 22282), (2080, 19711), (2392, 17140), (2990, 13712), (3428, 11960), (3680, 11141), (4285, 9568), (4784, 8570), (5980, 6856)]