129172660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3931}}^1$

素因数の和:4024

約数の個数: 48

約数和(自身を含む): 285368832

約数和(自身を除く): 156196172

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 3931, 6572, 7862, 8215, 15724, 16430, 19655, 32860, 39310, 78620, 121861, 208343, 243722, 416686, 487444, 609305, 833372, 1041715, 1218610, 2083430, 2437220, 4166860, 6458633, 12917266, 25834532, 32293165, 64586330, 129172660]

約数ペア:

[(1, 129172660), (2, 64586330), (4, 32293165), (5, 25834532), (10, 12917266), (20, 6458633), (31, 4166860), (53, 2437220), (62, 2083430), (106, 1218610), (124, 1041715), (155, 833372), (212, 609305), (265, 487444), (310, 416686), (530, 243722), (620, 208343), (1060, 121861), (1643, 78620), (3286, 39310), (3931, 32860), (6572, 19655), (7862, 16430), (8215, 15724)]