2912979920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2141897}}^1$

素因数の和:2141927

約数の個数: 40

約数和(自身を含む): 7171074504

約数和(自身を除く): 4258094584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2141897, 4283794, 8567588, 10709485, 17135176, 21418970, 34270352, 36412249, 42837940, 72824498, 85675880, 145648996, 171351760, 182061245, 291297992, 364122490, 582595984, 728244980, 1456489960, 2912979920]

約数ペア:

[(1, 2912979920), (2, 1456489960), (4, 728244980), (5, 582595984), (8, 364122490), (10, 291297992), (16, 182061245), (17, 171351760), (20, 145648996), (34, 85675880), (40, 72824498), (68, 42837940), (80, 36412249), (85, 34270352), (136, 21418970), (170, 17135176), (272, 10709485), (340, 8567588), (680, 4283794), (1360, 2141897)]