71031520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{63421}}^1$

素因数の和:63443

約数の個数: 48

約数和(自身を含む): 191788128

約数和(自身を除く): 120756608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 63421, 126842, 253684, 317105, 443947, 507368, 634210, 887894, 1014736, 1268420, 1775788, 2029472, 2219735, 2536840, 3551576, 4439470, 5073680, 7103152, 8878940, 10147360, 14206304, 17757880, 35515760, 71031520]

約数ペア:

[(1, 71031520), (2, 35515760), (4, 17757880), (5, 14206304), (7, 10147360), (8, 8878940), (10, 7103152), (14, 5073680), (16, 4439470), (20, 3551576), (28, 2536840), (32, 2219735), (35, 2029472), (40, 1775788), (56, 1268420), (70, 1014736), (80, 887894), (112, 634210), (140, 507368), (160, 443947), (224, 317105), (280, 253684), (560, 126842), (1120, 63421)]