8305520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 21212928

約数和(自身を除く): 12907408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 197, 248, 272, 310, 340, 394, 496, 527, 620, 680, 788, 985, 1054, 1240, 1360, 1576, 1970, 2108, 2480, 2635, 3152, 3349, 3940, 4216, 5270, 6107, 6698, 7880, 8432, 10540, 12214, 13396, 15760, 16745, 21080, 24428, 26792, 30535, 33490, 42160, 48856, 53584, 61070, 66980, 97712, 103819, 122140, 133960, 207638, 244280, 267920, 415276, 488560, 519095, 830552, 1038190, 1661104, 2076380, 4152760, 8305520]

約数ペア:

[(1, 8305520), (2, 4152760), (4, 2076380), (5, 1661104), (8, 1038190), (10, 830552), (16, 519095), (17, 488560), (20, 415276), (31, 267920), (34, 244280), (40, 207638), (62, 133960), (68, 122140), (80, 103819), (85, 97712), (124, 66980), (136, 61070), (155, 53584), (170, 48856), (197, 42160), (248, 33490), (272, 30535), (310, 26792), (340, 24428), (394, 21080), (496, 16745), (527, 15760), (620, 13396), (680, 12214), (788, 10540), (985, 8432), (1054, 7880), (1240, 6698), (1360, 6107), (1576, 5270), (1970, 4216), (2108, 3940), (2480, 3349), (2635, 3152)]