12407440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5047

約数の個数: 40

約数和(自身を含む): 29783808

約数和(自身を除く): 17376368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5003, 10006, 20012, 25015, 40024, 50030, 80048, 100060, 155093, 200120, 310186, 400240, 620372, 775465, 1240744, 1550930, 2481488, 3101860, 6203720, 12407440]

約数ペア:

[(1, 12407440), (2, 6203720), (4, 3101860), (5, 2481488), (8, 1550930), (10, 1240744), (16, 775465), (20, 620372), (31, 400240), (40, 310186), (62, 200120), (80, 155093), (124, 100060), (155, 80048), (248, 50030), (310, 40024), (496, 25015), (620, 20012), (1240, 10006), (2480, 5003)]