39940550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 81921840

約数和(自身を除く): 41981290

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1075, 1118, 1429, 2150, 2795, 2858, 5590, 7145, 13975, 14290, 18577, 27950, 35725, 37154, 61447, 71450, 92885, 122894, 185770, 307235, 464425, 614470, 798811, 928850, 1536175, 1597622, 3072350, 3994055, 7988110, 19970275, 39940550]

約数ペア:

[(1, 39940550), (2, 19970275), (5, 7988110), (10, 3994055), (13, 3072350), (25, 1597622), (26, 1536175), (43, 928850), (50, 798811), (65, 614470), (86, 464425), (130, 307235), (215, 185770), (325, 122894), (430, 92885), (559, 71450), (650, 61447), (1075, 37154), (1118, 35725), (1429, 27950), (2150, 18577), (2795, 14290), (2858, 13975), (5590, 7145)]