42871000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 64

約数和(自身を含む): 102754080

約数和(自身を除く): 59883080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 860, 997, 1000, 1075, 1720, 1994, 2150, 3988, 4300, 4985, 5375, 7976, 8600, 9970, 10750, 19940, 21500, 24925, 39880, 42871, 43000, 49850, 85742, 99700, 124625, 171484, 199400, 214355, 249250, 342968, 428710, 498500, 857420, 997000, 1071775, 1714840, 2143550, 4287100, 5358875, 8574200, 10717750, 21435500, 42871000]

約数ペア:

[(1, 42871000), (2, 21435500), (4, 10717750), (5, 8574200), (8, 5358875), (10, 4287100), (20, 2143550), (25, 1714840), (40, 1071775), (43, 997000), (50, 857420), (86, 498500), (100, 428710), (125, 342968), (172, 249250), (200, 214355), (215, 199400), (250, 171484), (344, 124625), (430, 99700), (500, 85742), (860, 49850), (997, 43000), (1000, 42871), (1075, 39880), (1720, 24925), (1994, 21500), (2150, 19940), (3988, 10750), (4300, 9970), (4985, 8600), (5375, 7976)]