15989860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 19935260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 359, 524, 655, 718, 1310, 1436, 1795, 2227, 2620, 3590, 4454, 6103, 7180, 8908, 11135, 12206, 22270, 24412, 30515, 44540, 47029, 61030, 94058, 122060, 188116, 235145, 470290, 799493, 940580, 1598986, 3197972, 3997465, 7994930, 15989860]

約数ペア:

[(1, 15989860), (2, 7994930), (4, 3997465), (5, 3197972), (10, 1598986), (17, 940580), (20, 799493), (34, 470290), (68, 235145), (85, 188116), (131, 122060), (170, 94058), (262, 61030), (340, 47029), (359, 44540), (524, 30515), (655, 24412), (718, 22270), (1310, 12206), (1436, 11135), (1795, 8908), (2227, 7180), (2620, 6103), (3590, 4454)]