31486880

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2371}}^1$

素因数の和:2469

約数の個数: 48

約数和(自身を含む): 75315744

約数和(自身を除く): 43828864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2371, 2656, 3320, 4742, 6640, 9484, 11855, 13280, 18968, 23710, 37936, 47420, 75872, 94840, 189680, 196793, 379360, 393586, 787172, 983965, 1574344, 1967930, 3148688, 3935860, 6297376, 7871720, 15743440, 31486880]

約数ペア:

[(1, 31486880), (2, 15743440), (4, 7871720), (5, 6297376), (8, 3935860), (10, 3148688), (16, 1967930), (20, 1574344), (32, 983965), (40, 787172), (80, 393586), (83, 379360), (160, 196793), (166, 189680), (332, 94840), (415, 75872), (664, 47420), (830, 37936), (1328, 23710), (1660, 18968), (2371, 13280), (2656, 11855), (3320, 9484), (4742, 6640)]