30129640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5419}}^1$

素因数の和:5569

約数の個数: 32

約数和(自身を含む): 68292000

約数和(自身を除く): 38162360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5419, 5560, 10838, 21676, 27095, 43352, 54190, 108380, 216760, 753241, 1506482, 3012964, 3766205, 6025928, 7532410, 15064820, 30129640]

約数ペア:

[(1, 30129640), (2, 15064820), (4, 7532410), (5, 6025928), (8, 3766205), (10, 3012964), (20, 1506482), (40, 753241), (139, 216760), (278, 108380), (556, 54190), (695, 43352), (1112, 27095), (1390, 21676), (2780, 10838), (5419, 5560)]