12782120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 31691520

約数和(自身を除く): 18909400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 523, 611, 940, 1046, 1222, 1880, 2092, 2444, 2615, 3055, 4184, 4888, 5230, 6110, 6799, 10460, 12220, 13598, 20920, 24440, 24581, 27196, 33995, 49162, 54392, 67990, 98324, 122905, 135980, 196648, 245810, 271960, 319553, 491620, 639106, 983240, 1278212, 1597765, 2556424, 3195530, 6391060, 12782120]

約数ペア:

[(1, 12782120), (2, 6391060), (4, 3195530), (5, 2556424), (8, 1597765), (10, 1278212), (13, 983240), (20, 639106), (26, 491620), (40, 319553), (47, 271960), (52, 245810), (65, 196648), (94, 135980), (104, 122905), (130, 98324), (188, 67990), (235, 54392), (260, 49162), (376, 33995), (470, 27196), (520, 24581), (523, 24440), (611, 20920), (940, 13598), (1046, 12220), (1222, 10460), (1880, 6799), (2092, 6110), (2444, 5230), (2615, 4888), (3055, 4184)]