42566600

素因数分解:

$2^3\times 5^2\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 99420720

約数和(自身を除く): 56854120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 331, 643, 662, 1286, 1324, 1655, 2572, 2648, 3215, 3310, 5144, 6430, 6620, 8275, 12860, 13240, 16075, 16550, 25720, 32150, 33100, 64300, 66200, 128600, 212833, 425666, 851332, 1064165, 1702664, 2128330, 4256660, 5320825, 8513320, 10641650, 21283300, 42566600]

約数ペア:

[(1, 42566600), (2, 21283300), (4, 10641650), (5, 8513320), (8, 5320825), (10, 4256660), (20, 2128330), (25, 1702664), (40, 1064165), (50, 851332), (100, 425666), (200, 212833), (331, 128600), (643, 66200), (662, 64300), (1286, 33100), (1324, 32150), (1655, 25720), (2572, 16550), (2648, 16075), (3215, 13240), (3310, 12860), (5144, 8275), (6430, 6620)]