49919920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20129}}^1$

素因数の和:20173

約数の個数: 40

約数和(自身を含む): 119813760

約数和(自身を除く): 69893840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20129, 40258, 80516, 100645, 161032, 201290, 322064, 402580, 623999, 805160, 1247998, 1610320, 2495996, 3119995, 4991992, 6239990, 9983984, 12479980, 24959960, 49919920]

約数ペア:

[(1, 49919920), (2, 24959960), (4, 12479980), (5, 9983984), (8, 6239990), (10, 4991992), (16, 3119995), (20, 2495996), (31, 1610320), (40, 1247998), (62, 805160), (80, 623999), (124, 402580), (155, 322064), (248, 201290), (310, 161032), (496, 100645), (620, 80516), (1240, 40258), (2480, 20129)]