30785170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7639}}^1$

素因数の和:7690

約数の個数: 32

約数和(自身を含む): 61608960

約数和(自身を除く): 30823790

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7639, 15278, 38195, 76390, 99307, 198614, 236809, 473618, 496535, 993070, 1184045, 2368090, 3078517, 6157034, 15392585, 30785170]

約数ペア:

[(1, 30785170), (2, 15392585), (5, 6157034), (10, 3078517), (13, 2368090), (26, 1184045), (31, 993070), (62, 496535), (65, 473618), (130, 236809), (155, 198614), (310, 99307), (403, 76390), (806, 38195), (2015, 15278), (4030, 7639)]