40487759440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1969249}}^1$

素因数の和:1969519

約数の個数: 40

約数和(自身を含む): 94500369000

約数和(自身を除く): 54012609560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 1969249, 3938498, 7876996, 9846245, 15753992, 19692490, 31507984, 39384980, 78769960, 157539920, 506096993, 1012193986, 2024387972, 2530484965, 4048775944, 5060969930, 8097551888, 10121939860, 20243879720, 40487759440]

約数ペア:

[(1, 40487759440), (2, 20243879720), (4, 10121939860), (5, 8097551888), (8, 5060969930), (10, 4048775944), (16, 2530484965), (20, 2024387972), (40, 1012193986), (80, 506096993), (257, 157539920), (514, 78769960), (1028, 39384980), (1285, 31507984), (2056, 19692490), (2570, 15753992), (4112, 9846245), (5140, 7876996), (10280, 3938498), (20560, 1969249)]