5279920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 12677760

約数和(自身を除く): 7397840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2129, 2480, 4258, 8516, 10645, 17032, 21290, 34064, 42580, 65999, 85160, 131998, 170320, 263996, 329995, 527992, 659990, 1055984, 1319980, 2639960, 5279920]

約数ペア:

[(1, 5279920), (2, 2639960), (4, 1319980), (5, 1055984), (8, 659990), (10, 527992), (16, 329995), (20, 263996), (31, 170320), (40, 131998), (62, 85160), (80, 65999), (124, 42580), (155, 34064), (248, 21290), (310, 17032), (496, 10645), (620, 8516), (1240, 4258), (2129, 2480)]