20219663440

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1579}}^1\times {\mathrm{2713}}^1$

素因数の和:4364

約数の個数: 80

約数和(自身を含む): 47855419200

約数和(自身を除く): 27635755760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 1579, 2360, 2713, 3158, 4720, 5426, 6316, 7895, 10852, 12632, 13565, 15790, 21704, 25264, 27130, 31580, 43408, 54260, 63160, 93161, 108520, 126320, 160067, 186322, 217040, 320134, 372644, 465805, 640268, 745288, 800335, 931610, 1280536, 1490576, 1600670, 1863220, 2561072, 3201340, 3726440, 4283827, 6402680, 7452880, 8567654, 12805360, 17135308, 21419135, 34270616, 42838270, 68541232, 85676540, 171353080, 252745793, 342706160, 505491586, 1010983172, 1263728965, 2021966344, 2527457930, 4043932688, 5054915860, 10109831720, 20219663440]

約数ペア:

[(1, 20219663440), (2, 10109831720), (4, 5054915860), (5, 4043932688), (8, 2527457930), (10, 2021966344), (16, 1263728965), (20, 1010983172), (40, 505491586), (59, 342706160), (80, 252745793), (118, 171353080), (236, 85676540), (295, 68541232), (472, 42838270), (590, 34270616), (944, 21419135), (1180, 17135308), (1579, 12805360), (2360, 8567654), (2713, 7452880), (3158, 6402680), (4720, 4283827), (5426, 3726440), (6316, 3201340), (7895, 2561072), (10852, 1863220), (12632, 1600670), (13565, 1490576), (15790, 1280536), (21704, 931610), (25264, 800335), (27130, 745288), (31580, 640268), (43408, 465805), (54260, 372644), (63160, 320134), (93161, 217040), (108520, 186322), (126320, 160067)]