28977560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23369}}^1$

素因数の和:23411

約数の個数: 32

約数和(自身を含む): 67305600

約数和(自身を除く): 38328040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23369, 46738, 93476, 116845, 186952, 233690, 467380, 724439, 934760, 1448878, 2897756, 3622195, 5795512, 7244390, 14488780, 28977560]

約数ペア:

[(1, 28977560), (2, 14488780), (4, 7244390), (5, 5795512), (8, 3622195), (10, 2897756), (20, 1448878), (31, 934760), (40, 724439), (62, 467380), (124, 233690), (155, 186952), (248, 116845), (310, 93476), (620, 46738), (1240, 23369)]