84439280

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1951}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 196785024

約数和(自身を除く): 112345744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 1951, 2164, 2705, 3902, 4328, 5410, 7804, 8656, 9755, 10820, 15608, 19510, 21640, 31216, 39020, 43280, 78040, 156080, 1055491, 2110982, 4221964, 5277455, 8443928, 10554910, 16887856, 21109820, 42219640, 84439280]

約数ペア:

[(1, 84439280), (2, 42219640), (4, 21109820), (5, 16887856), (8, 10554910), (10, 8443928), (16, 5277455), (20, 4221964), (40, 2110982), (80, 1055491), (541, 156080), (1082, 78040), (1951, 43280), (2164, 39020), (2705, 31216), (3902, 21640), (4328, 19510), (5410, 15608), (7804, 10820), (8656, 9755)]