42881320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 100077120

約数和(自身を除く): 57195800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 233, 344, 428, 430, 466, 535, 856, 860, 932, 1070, 1165, 1720, 1864, 2140, 2330, 4280, 4601, 4660, 9202, 9320, 10019, 18404, 20038, 23005, 24931, 36808, 40076, 46010, 49862, 50095, 80152, 92020, 99724, 100190, 124655, 184040, 199448, 200380, 249310, 400760, 498620, 997240, 1072033, 2144066, 4288132, 5360165, 8576264, 10720330, 21440660, 42881320]

約数ペア:

[(1, 42881320), (2, 21440660), (4, 10720330), (5, 8576264), (8, 5360165), (10, 4288132), (20, 2144066), (40, 1072033), (43, 997240), (86, 498620), (107, 400760), (172, 249310), (214, 200380), (215, 199448), (233, 184040), (344, 124655), (428, 100190), (430, 99724), (466, 92020), (535, 80152), (856, 50095), (860, 49862), (932, 46010), (1070, 40076), (1165, 36808), (1720, 24931), (1864, 23005), (2140, 20038), (2330, 18404), (4280, 10019), (4601, 9320), (4660, 9202)]