80461120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8111}}^1$

素因数の和:8159

約数の個数: 56

約数和(自身を含む): 197803008

約数和(自身を除く): 117341888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8111, 9920, 16222, 32444, 40555, 64888, 81110, 129776, 162220, 251441, 259552, 324440, 502882, 519104, 648880, 1005764, 1257205, 1297760, 2011528, 2514410, 2595520, 4023056, 5028820, 8046112, 10057640, 16092224, 20115280, 40230560, 80461120]

約数ペア:

[(1, 80461120), (2, 40230560), (4, 20115280), (5, 16092224), (8, 10057640), (10, 8046112), (16, 5028820), (20, 4023056), (31, 2595520), (32, 2514410), (40, 2011528), (62, 1297760), (64, 1257205), (80, 1005764), (124, 648880), (155, 519104), (160, 502882), (248, 324440), (310, 259552), (320, 251441), (496, 162220), (620, 129776), (992, 81110), (1240, 64888), (1984, 40555), (2480, 32444), (4960, 16222), (8111, 9920)]