66508520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1722

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 96787480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 1619, 2054, 3160, 3238, 4108, 5135, 6476, 8095, 8216, 10270, 12952, 16190, 20540, 21047, 32380, 41080, 42094, 64760, 84188, 105235, 127901, 168376, 210470, 255802, 420940, 511604, 639505, 841880, 1023208, 1279010, 1662713, 2558020, 3325426, 5116040, 6650852, 8313565, 13301704, 16627130, 33254260, 66508520]

約数ペア:

[(1, 66508520), (2, 33254260), (4, 16627130), (5, 13301704), (8, 8313565), (10, 6650852), (13, 5116040), (20, 3325426), (26, 2558020), (40, 1662713), (52, 1279010), (65, 1023208), (79, 841880), (104, 639505), (130, 511604), (158, 420940), (260, 255802), (316, 210470), (395, 168376), (520, 127901), (632, 105235), (790, 84188), (1027, 64760), (1580, 42094), (1619, 41080), (2054, 32380), (3160, 21047), (3238, 20540), (4108, 16190), (5135, 12952), (6476, 10270), (8095, 8216)]