39687880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 94089600

約数和(自身を除く): 54401720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 179, 184, 230, 241, 358, 460, 482, 716, 895, 920, 964, 1205, 1432, 1790, 1928, 2410, 3580, 4117, 4820, 5543, 7160, 8234, 9640, 11086, 16468, 20585, 22172, 27715, 32936, 41170, 43139, 44344, 55430, 82340, 86278, 110860, 164680, 172556, 215695, 221720, 345112, 431390, 862780, 992197, 1725560, 1984394, 3968788, 4960985, 7937576, 9921970, 19843940, 39687880]

約数ペア:

[(1, 39687880), (2, 19843940), (4, 9921970), (5, 7937576), (8, 4960985), (10, 3968788), (20, 1984394), (23, 1725560), (40, 992197), (46, 862780), (92, 431390), (115, 345112), (179, 221720), (184, 215695), (230, 172556), (241, 164680), (358, 110860), (460, 86278), (482, 82340), (716, 55430), (895, 44344), (920, 43139), (964, 41170), (1205, 32936), (1432, 27715), (1790, 22172), (1928, 20585), (2410, 16468), (3580, 11086), (4117, 9640), (4820, 8234), (5543, 7160)]