56979920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41897}}^1$

素因数の和:41927

約数の個数: 40

約数和(自身を含む): 140274504

約数和(自身を除く): 83294584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 41897, 83794, 167588, 209485, 335176, 418970, 670352, 712249, 837940, 1424498, 1675880, 2848996, 3351760, 3561245, 5697992, 7122490, 11395984, 14244980, 28489960, 56979920]

約数ペア:

[(1, 56979920), (2, 28489960), (4, 14244980), (5, 11395984), (8, 7122490), (10, 5697992), (16, 3561245), (17, 3351760), (20, 2848996), (34, 1675880), (40, 1424498), (68, 837940), (80, 712249), (85, 670352), (136, 418970), (170, 335176), (272, 209485), (340, 167588), (680, 83794), (1360, 41897)]