212702922440

素因数分解:

$2^3\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{1329061}}^1$

素因数の和:1333073

約数の個数: 32

約数和(自身を含む): 478701551160

約数和(自身を除く): 265998628720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4001, 8002, 16004, 20005, 32008, 40010, 80020, 160040, 1329061, 2658122, 5316244, 6645305, 10632488, 13290610, 26581220, 53162440, 5317573061, 10635146122, 21270292244, 26587865305, 42540584488, 53175730610, 106351461220, 212702922440]

約数ペア:

[(1, 212702922440), (2, 106351461220), (4, 53175730610), (5, 42540584488), (8, 26587865305), (10, 21270292244), (20, 10635146122), (40, 5317573061), (4001, 53162440), (8002, 26581220), (16004, 13290610), (20005, 10632488), (32008, 6645305), (40010, 5316244), (80020, 2658122), (160040, 1329061)]