25319420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{811}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 61114368

約数和(自身を除く): 35794948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 811, 892, 1115, 1561, 1622, 2230, 3122, 3244, 4055, 4460, 5677, 6244, 7805, 8110, 11354, 15610, 16220, 22708, 28385, 31220, 56770, 113540, 180853, 361706, 723412, 904265, 1265971, 1808530, 2531942, 3617060, 5063884, 6329855, 12659710, 25319420]

約数ペア:

[(1, 25319420), (2, 12659710), (4, 6329855), (5, 5063884), (7, 3617060), (10, 2531942), (14, 1808530), (20, 1265971), (28, 904265), (35, 723412), (70, 361706), (140, 180853), (223, 113540), (446, 56770), (811, 31220), (892, 28385), (1115, 22708), (1561, 16220), (1622, 15610), (2230, 11354), (3122, 8110), (3244, 7805), (4055, 6244), (4460, 5677)]