205049440

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4729}}^1$

素因数の和:5015

約数の個数: 48

約数和(自身を含む): 486319680

約数和(自身を除く): 281270240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 4336, 4729, 5420, 8672, 9458, 10840, 18916, 21680, 23645, 37832, 43360, 47290, 75664, 94580, 151328, 189160, 378320, 756640, 1281559, 2563118, 5126236, 6407795, 10252472, 12815590, 20504944, 25631180, 41009888, 51262360, 102524720, 205049440]

約数ペア:

[(1, 205049440), (2, 102524720), (4, 51262360), (5, 41009888), (8, 25631180), (10, 20504944), (16, 12815590), (20, 10252472), (32, 6407795), (40, 5126236), (80, 2563118), (160, 1281559), (271, 756640), (542, 378320), (1084, 189160), (1355, 151328), (2168, 94580), (2710, 75664), (4336, 47290), (4729, 43360), (5420, 37832), (8672, 23645), (9458, 21680), (10840, 18916)]