61384280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90271}}^1$

素因数の和:90299

約数の個数: 32

約数和(自身を含む): 146240640

約数和(自身を除く): 84856360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90271, 180542, 361084, 451355, 722168, 902710, 1534607, 1805420, 3069214, 3610840, 6138428, 7673035, 12276856, 15346070, 30692140, 61384280]

約数ペア:

[(1, 61384280), (2, 30692140), (4, 15346070), (5, 12276856), (8, 7673035), (10, 6138428), (17, 3610840), (20, 3069214), (34, 1805420), (40, 1534607), (68, 902710), (85, 722168), (136, 451355), (170, 361084), (340, 180542), (680, 90271)]