8505860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 20841408

約数和(自身を除く): 12335548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 164, 205, 220, 230, 253, 410, 451, 460, 506, 820, 902, 943, 1012, 1265, 1681, 1804, 1886, 2255, 2530, 3362, 3772, 4510, 4715, 5060, 6724, 8405, 9020, 9430, 10373, 16810, 18491, 18860, 20746, 33620, 36982, 38663, 41492, 51865, 73964, 77326, 92455, 103730, 154652, 184910, 193315, 207460, 369820, 386630, 425293, 773260, 850586, 1701172, 2126465, 4252930, 8505860]

約数ペア:

[(1, 8505860), (2, 4252930), (4, 2126465), (5, 1701172), (10, 850586), (11, 773260), (20, 425293), (22, 386630), (23, 369820), (41, 207460), (44, 193315), (46, 184910), (55, 154652), (82, 103730), (92, 92455), (110, 77326), (115, 73964), (164, 51865), (205, 41492), (220, 38663), (230, 36982), (253, 33620), (410, 20746), (451, 18860), (460, 18491), (506, 16810), (820, 10373), (902, 9430), (943, 9020), (1012, 8405), (1265, 6724), (1681, 5060), (1804, 4715), (1886, 4510), (2255, 3772), (2530, 3362)]