8948840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 21461760

約数和(自身を除く): 12512920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 137, 142, 184, 230, 274, 284, 355, 460, 548, 568, 685, 710, 920, 1096, 1370, 1420, 1633, 2740, 2840, 3151, 3266, 5480, 6302, 6532, 8165, 9727, 12604, 13064, 15755, 16330, 19454, 25208, 31510, 32660, 38908, 48635, 63020, 65320, 77816, 97270, 126040, 194540, 223721, 389080, 447442, 894884, 1118605, 1789768, 2237210, 4474420, 8948840]

約数ペア:

[(1, 8948840), (2, 4474420), (4, 2237210), (5, 1789768), (8, 1118605), (10, 894884), (20, 447442), (23, 389080), (40, 223721), (46, 194540), (71, 126040), (92, 97270), (115, 77816), (137, 65320), (142, 63020), (184, 48635), (230, 38908), (274, 32660), (284, 31510), (355, 25208), (460, 19454), (548, 16330), (568, 15755), (685, 13064), (710, 12604), (920, 9727), (1096, 8165), (1370, 6532), (1420, 6302), (1633, 5480), (2740, 3266), (2840, 3151)]