13015660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3046

約数の個数: 48

約数和(自身を含む): 32256000

約数和(自身を除く): 19240340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2999, 4340, 5998, 11996, 14995, 20993, 29990, 41986, 59980, 83972, 92969, 104965, 185938, 209930, 371876, 419860, 464845, 650783, 929690, 1301566, 1859380, 2603132, 3253915, 6507830, 13015660]

約数ペア:

[(1, 13015660), (2, 6507830), (4, 3253915), (5, 2603132), (7, 1859380), (10, 1301566), (14, 929690), (20, 650783), (28, 464845), (31, 419860), (35, 371876), (62, 209930), (70, 185938), (124, 104965), (140, 92969), (155, 83972), (217, 59980), (310, 41986), (434, 29990), (620, 20993), (868, 14995), (1085, 11996), (2170, 5998), (2999, 4340)]