79899040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 205752960

約数和(自身を除く): 125853920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 107, 130, 160, 208, 214, 260, 359, 416, 428, 520, 535, 718, 856, 1040, 1070, 1391, 1436, 1712, 1795, 2080, 2140, 2782, 2872, 3424, 3590, 4280, 4667, 5564, 5744, 6955, 7180, 8560, 9334, 11128, 11488, 13910, 14360, 17120, 18668, 22256, 23335, 27820, 28720, 37336, 38413, 44512, 46670, 55640, 57440, 74672, 76826, 93340, 111280, 149344, 153652, 186680, 192065, 222560, 307304, 373360, 384130, 499369, 614608, 746720, 768260, 998738, 1229216, 1536520, 1997476, 2496845, 3073040, 3994952, 4993690, 6146080, 7989904, 9987380, 15979808, 19974760, 39949520, 79899040]

約数ペア:

[(1, 79899040), (2, 39949520), (4, 19974760), (5, 15979808), (8, 9987380), (10, 7989904), (13, 6146080), (16, 4993690), (20, 3994952), (26, 3073040), (32, 2496845), (40, 1997476), (52, 1536520), (65, 1229216), (80, 998738), (104, 768260), (107, 746720), (130, 614608), (160, 499369), (208, 384130), (214, 373360), (260, 307304), (359, 222560), (416, 192065), (428, 186680), (520, 153652), (535, 149344), (718, 111280), (856, 93340), (1040, 76826), (1070, 74672), (1391, 57440), (1436, 55640), (1712, 46670), (1795, 44512), (2080, 38413), (2140, 37336), (2782, 28720), (2872, 27820), (3424, 23335), (3590, 22256), (4280, 18668), (4667, 17120), (5564, 14360), (5744, 13910), (6955, 11488), (7180, 11128), (8560, 9334)]