71801440

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1013}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 170181648

約数和(自身を除く): 98380208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1013, 1772, 2026, 2215, 3544, 4052, 4430, 5065, 7088, 8104, 8860, 10130, 14176, 16208, 17720, 20260, 32416, 35440, 40520, 70880, 81040, 162080, 448759, 897518, 1795036, 2243795, 3590072, 4487590, 7180144, 8975180, 14360288, 17950360, 35900720, 71801440]

約数ペア:

[(1, 71801440), (2, 35900720), (4, 17950360), (5, 14360288), (8, 8975180), (10, 7180144), (16, 4487590), (20, 3590072), (32, 2243795), (40, 1795036), (80, 897518), (160, 448759), (443, 162080), (886, 81040), (1013, 70880), (1772, 40520), (2026, 35440), (2215, 32416), (3544, 20260), (4052, 17720), (4430, 16208), (5065, 14176), (7088, 10130), (8104, 8860)]