31550320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9619}}^1$

素因数の和:9673

約数の個数: 40

約数和(自身を含む): 75151440

約数和(自身を除く): 43601120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9619, 19238, 38476, 48095, 76952, 96190, 153904, 192380, 384760, 394379, 769520, 788758, 1577516, 1971895, 3155032, 3943790, 6310064, 7887580, 15775160, 31550320]

約数ペア:

[(1, 31550320), (2, 15775160), (4, 7887580), (5, 6310064), (8, 3943790), (10, 3155032), (16, 1971895), (20, 1577516), (40, 788758), (41, 769520), (80, 394379), (82, 384760), (164, 192380), (205, 153904), (328, 96190), (410, 76952), (656, 48095), (820, 38476), (1640, 19238), (3280, 9619)]