508719920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{205129}}^1$

素因数の和:205173

約数の個数: 40

約数和(自身を含む): 1220933760

約数和(自身を除く): 712213840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 205129, 410258, 820516, 1025645, 1641032, 2051290, 3282064, 4102580, 6358999, 8205160, 12717998, 16410320, 25435996, 31794995, 50871992, 63589990, 101743984, 127179980, 254359960, 508719920]

約数ペア:

[(1, 508719920), (2, 254359960), (4, 127179980), (5, 101743984), (8, 63589990), (10, 50871992), (16, 31794995), (20, 25435996), (31, 16410320), (40, 12717998), (62, 8205160), (80, 6358999), (124, 4102580), (155, 3282064), (248, 2051290), (310, 1641032), (496, 1025645), (620, 820516), (1240, 410258), (2480, 205129)]