142021840

素因数分解:

$2^4\times 5^1\times {\mathrm{1775273}}^1$

素因数の和:1775286

約数の個数: 20

約数和(自身を含む): 330200964

約数和(自身を除く): 188179124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1775273, 3550546, 7101092, 8876365, 14202184, 17752730, 28404368, 35505460, 71010920, 142021840]

約数ペア:

[(1, 142021840), (2, 71010920), (4, 35505460), (5, 28404368), (8, 17752730), (10, 14202184), (16, 8876365), (20, 7101092), (40, 3550546), (80, 1775273)]