13081840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9619}}^1$

素因数の和:9649

約数の個数: 40

約数和(自身を含む): 32207760

約数和(自身を除く): 19125920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9619, 19238, 38476, 48095, 76952, 96190, 153904, 163523, 192380, 327046, 384760, 654092, 769520, 817615, 1308184, 1635230, 2616368, 3270460, 6540920, 13081840]

約数ペア:

[(1, 13081840), (2, 6540920), (4, 3270460), (5, 2616368), (8, 1635230), (10, 1308184), (16, 817615), (17, 769520), (20, 654092), (34, 384760), (40, 327046), (68, 192380), (80, 163523), (85, 153904), (136, 96190), (170, 76952), (272, 48095), (340, 38476), (680, 19238), (1360, 9619)]