978643360

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{46691}}^1$

素因数の和:46837

約数の個数: 48

約数和(自身を含む): 2329744032

約数和(自身を除く): 1351100672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 20960, 46691, 93382, 186764, 233455, 373528, 466910, 747056, 933820, 1494112, 1867640, 3735280, 6116521, 7470560, 12233042, 24466084, 30582605, 48932168, 61165210, 97864336, 122330420, 195728672, 244660840, 489321680, 978643360]

約数ペア:

[(1, 978643360), (2, 489321680), (4, 244660840), (5, 195728672), (8, 122330420), (10, 97864336), (16, 61165210), (20, 48932168), (32, 30582605), (40, 24466084), (80, 12233042), (131, 7470560), (160, 6116521), (262, 3735280), (524, 1867640), (655, 1494112), (1048, 933820), (1310, 747056), (2096, 466910), (2620, 373528), (4192, 233455), (5240, 186764), (10480, 93382), (20960, 46691)]