82162120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 189987840

約数和(自身を除く): 107825720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 223, 244, 302, 305, 446, 488, 604, 610, 755, 892, 1115, 1208, 1220, 1510, 1784, 2230, 2440, 3020, 4460, 6040, 8920, 9211, 13603, 18422, 27206, 33673, 36844, 46055, 54412, 67346, 68015, 73688, 92110, 108824, 134692, 136030, 168365, 184220, 269384, 272060, 336730, 368440, 544120, 673460, 1346920, 2054053, 4108106, 8216212, 10270265, 16432424, 20540530, 41081060, 82162120]

約数ペア:

[(1, 82162120), (2, 41081060), (4, 20540530), (5, 16432424), (8, 10270265), (10, 8216212), (20, 4108106), (40, 2054053), (61, 1346920), (122, 673460), (151, 544120), (223, 368440), (244, 336730), (302, 272060), (305, 269384), (446, 184220), (488, 168365), (604, 136030), (610, 134692), (755, 108824), (892, 92110), (1115, 73688), (1208, 68015), (1220, 67346), (1510, 54412), (1784, 46055), (2230, 36844), (2440, 33673), (3020, 27206), (4460, 18422), (6040, 13603), (8920, 9211)]