31283680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8501}}^1$

素因数の和:8539

約数の個数: 48

約数和(自身を含む): 77130144

約数和(自身を除く): 45846464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 8501, 17002, 34004, 42505, 68008, 85010, 136016, 170020, 195523, 272032, 340040, 391046, 680080, 782092, 977615, 1360160, 1564184, 1955230, 3128368, 3910460, 6256736, 7820920, 15641840, 31283680]

約数ペア:

[(1, 31283680), (2, 15641840), (4, 7820920), (5, 6256736), (8, 3910460), (10, 3128368), (16, 1955230), (20, 1564184), (23, 1360160), (32, 977615), (40, 782092), (46, 680080), (80, 391046), (92, 340040), (115, 272032), (160, 195523), (184, 170020), (230, 136016), (368, 85010), (460, 68008), (736, 42505), (920, 34004), (1840, 17002), (3680, 8501)]