86386880

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1057

約数の個数: 56

約数和(自身を含む): 206502000

約数和(自身を除く): 120115120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 541, 998, 1082, 1996, 2164, 2495, 2705, 3992, 4328, 4990, 5410, 7984, 8656, 9980, 10820, 15968, 17312, 19960, 21640, 31936, 34624, 39920, 43280, 79840, 86560, 159680, 173120, 269959, 539918, 1079836, 1349795, 2159672, 2699590, 4319344, 5399180, 8638688, 10798360, 17277376, 21596720, 43193440, 86386880]

約数ペア:

[(1, 86386880), (2, 43193440), (4, 21596720), (5, 17277376), (8, 10798360), (10, 8638688), (16, 5399180), (20, 4319344), (32, 2699590), (40, 2159672), (64, 1349795), (80, 1079836), (160, 539918), (320, 269959), (499, 173120), (541, 159680), (998, 86560), (1082, 79840), (1996, 43280), (2164, 39920), (2495, 34624), (2705, 31936), (3992, 21640), (4328, 19960), (4990, 17312), (5410, 15968), (7984, 10820), (8656, 9980)]