2076152080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{425441}}^1$

素因数の和:425515

約数の個数: 40

約数和(自身を含む): 4906197144

約数和(自身を除く): 2830045064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 425441, 850882, 1701764, 2127205, 3403528, 4254410, 6807056, 8508820, 17017640, 25951901, 34035280, 51903802, 103807604, 129759505, 207615208, 259519010, 415230416, 519038020, 1038076040, 2076152080]

約数ペア:

[(1, 2076152080), (2, 1038076040), (4, 519038020), (5, 415230416), (8, 259519010), (10, 207615208), (16, 129759505), (20, 103807604), (40, 51903802), (61, 34035280), (80, 25951901), (122, 17017640), (244, 8508820), (305, 6807056), (488, 4254410), (610, 3403528), (976, 2127205), (1220, 1701764), (2440, 850882), (4880, 425441)]