40807520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 108464832

約数和(自身を除く): 67657312

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, 853, 920, 1040, 1196, 1495, 1706, 1840, 2080, 2392, 2990, 3412, 3680, 4265, 4784, 5980, 6824, 8530, 9568, 11089, 11960, 13648, 17060, 19619, 22178, 23920, 27296, 34120, 39238, 44356, 47840, 55445, 68240, 78476, 88712, 98095, 110890, 136480, 156952, 177424, 196190, 221780, 255047, 313904, 354848, 392380, 443560, 510094, 627808, 784760, 887120, 1020188, 1275235, 1569520, 1774240, 2040376, 2550470, 3139040, 4080752, 5100940, 8161504, 10201880, 20403760, 40807520]

約数ペア:

[(1, 40807520), (2, 20403760), (4, 10201880), (5, 8161504), (8, 5100940), (10, 4080752), (13, 3139040), (16, 2550470), (20, 2040376), (23, 1774240), (26, 1569520), (32, 1275235), (40, 1020188), (46, 887120), (52, 784760), (65, 627808), (80, 510094), (92, 443560), (104, 392380), (115, 354848), (130, 313904), (160, 255047), (184, 221780), (208, 196190), (230, 177424), (260, 156952), (299, 136480), (368, 110890), (416, 98095), (460, 88712), (520, 78476), (598, 68240), (736, 55445), (853, 47840), (920, 44356), (1040, 39238), (1196, 34120), (1495, 27296), (1706, 23920), (1840, 22178), (2080, 19619), (2392, 17060), (2990, 13648), (3412, 11960), (3680, 11089), (4265, 9568), (4784, 8530), (5980, 6824)]