38639800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4552

約数の個数: 48

約数和(自身を含む): 91947240

約数和(自身を除く): 53307440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 4493, 8600, 8986, 17972, 22465, 35944, 44930, 89860, 112325, 179720, 193199, 224650, 386398, 449300, 772796, 898600, 965995, 1545592, 1931990, 3863980, 4829975, 7727960, 9659950, 19319900, 38639800]

約数ペア:

[(1, 38639800), (2, 19319900), (4, 9659950), (5, 7727960), (8, 4829975), (10, 3863980), (20, 1931990), (25, 1545592), (40, 965995), (43, 898600), (50, 772796), (86, 449300), (100, 386398), (172, 224650), (200, 193199), (215, 179720), (344, 112325), (430, 89860), (860, 44930), (1075, 35944), (1720, 22465), (2150, 17972), (4300, 8986), (4493, 8600)]