128840150

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{36293}}^1$

素因数の和:36376

約数の個数: 24

約数和(自身を含む): 243024624

約数和(自身を除く): 114184474

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 36293, 72586, 181465, 362930, 907325, 1814650, 2576803, 5153606, 12884015, 25768030, 64420075, 128840150]

約数ペア:

[(1, 128840150), (2, 64420075), (5, 25768030), (10, 12884015), (25, 5153606), (50, 2576803), (71, 1814650), (142, 907325), (355, 362930), (710, 181465), (1775, 72586), (3550, 36293)]