28980320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9533}}^1$

素因数の和:9567

約数の個数: 48

約数和(自身を含む): 72077040

約数和(自身を除く): 43096720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9533, 19066, 38132, 47665, 76264, 95330, 152528, 181127, 190660, 305056, 362254, 381320, 724508, 762640, 905635, 1449016, 1525280, 1811270, 2898032, 3622540, 5796064, 7245080, 14490160, 28980320]

約数ペア:

[(1, 28980320), (2, 14490160), (4, 7245080), (5, 5796064), (8, 3622540), (10, 2898032), (16, 1811270), (19, 1525280), (20, 1449016), (32, 905635), (38, 762640), (40, 724508), (76, 381320), (80, 362254), (95, 305056), (152, 190660), (160, 181127), (190, 152528), (304, 95330), (380, 76264), (608, 47665), (760, 38132), (1520, 19066), (3040, 9533)]