208068320

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3343}}^1$

素因数の和:3747

約数の個数: 48

約数和(自身を含む): 492972480

約数和(自身を除く): 284904160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3112, 3343, 3890, 6224, 6686, 7780, 12448, 13372, 15560, 16715, 26744, 31120, 33430, 53488, 62240, 66860, 106976, 133720, 267440, 534880, 1300427, 2600854, 5201708, 6502135, 10403416, 13004270, 20806832, 26008540, 41613664, 52017080, 104034160, 208068320]

約数ペア:

[(1, 208068320), (2, 104034160), (4, 52017080), (5, 41613664), (8, 26008540), (10, 20806832), (16, 13004270), (20, 10403416), (32, 6502135), (40, 5201708), (80, 2600854), (160, 1300427), (389, 534880), (778, 267440), (1556, 133720), (1945, 106976), (3112, 66860), (3343, 62240), (3890, 53488), (6224, 33430), (6686, 31120), (7780, 26744), (12448, 16715), (13372, 15560)]