30941720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24953}}^1$

素因数の和:24995

約数の個数: 32

約数和(自身を含む): 71867520

約数和(自身を除く): 40925800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24953, 49906, 99812, 124765, 199624, 249530, 499060, 773543, 998120, 1547086, 3094172, 3867715, 6188344, 7735430, 15470860, 30941720]

約数ペア:

[(1, 30941720), (2, 15470860), (4, 7735430), (5, 6188344), (8, 3867715), (10, 3094172), (20, 1547086), (31, 998120), (40, 773543), (62, 499060), (124, 249530), (155, 199624), (248, 124765), (310, 99812), (620, 49906), (1240, 24953)]