71621380

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3643}}^1$

素因数の和:4635

約数の個数: 24

約数和(自身を含む): 150599232

約数和(自身を除く): 78977852

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3643, 3932, 4915, 7286, 9830, 14572, 18215, 19660, 36430, 72860, 3581069, 7162138, 14324276, 17905345, 35810690, 71621380]

約数ペア:

[(1, 71621380), (2, 35810690), (4, 17905345), (5, 14324276), (10, 7162138), (20, 3581069), (983, 72860), (1966, 36430), (3643, 19660), (3932, 18215), (4915, 14572), (7286, 9830)]