980320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 2531088

約数和(自身を除く): 1550768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 557, 880, 1114, 1760, 2228, 2785, 4456, 5570, 6127, 8912, 11140, 12254, 17824, 22280, 24508, 30635, 44560, 49016, 61270, 89120, 98032, 122540, 196064, 245080, 490160, 980320]

約数ペア:

[(1, 980320), (2, 490160), (4, 245080), (5, 196064), (8, 122540), (10, 98032), (11, 89120), (16, 61270), (20, 49016), (22, 44560), (32, 30635), (40, 24508), (44, 22280), (55, 17824), (80, 12254), (88, 11140), (110, 8912), (160, 6127), (176, 5570), (220, 4456), (352, 2785), (440, 2228), (557, 1760), (880, 1114)]