13199800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 31694400

約数和(自身を除く): 18494600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2129, 3100, 4258, 6200, 8516, 10645, 17032, 21290, 42580, 53225, 65999, 85160, 106450, 131998, 212900, 263996, 329995, 425800, 527992, 659990, 1319980, 1649975, 2639960, 3299950, 6599900, 13199800]

約数ペア:

[(1, 13199800), (2, 6599900), (4, 3299950), (5, 2639960), (8, 1649975), (10, 1319980), (20, 659990), (25, 527992), (31, 425800), (40, 329995), (50, 263996), (62, 212900), (100, 131998), (124, 106450), (155, 85160), (200, 65999), (248, 53225), (310, 42580), (620, 21290), (775, 17032), (1240, 10645), (1550, 8516), (2129, 6200), (3100, 4258)]