13488277520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1\times {\mathrm{1951}}^1$

素因数の和:3024

約数の個数: 80

約数和(自身を含む): 31761538560

約数和(自身を除く): 18273261040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 971, 1424, 1780, 1942, 1951, 3560, 3884, 3902, 4855, 7120, 7768, 7804, 9710, 9755, 15536, 15608, 19420, 19510, 31216, 38840, 39020, 77680, 78040, 86419, 156080, 172838, 173639, 345676, 347278, 432095, 691352, 694556, 864190, 868195, 1382704, 1389112, 1728380, 1736390, 1894421, 2778224, 3456760, 3472780, 3788842, 6913520, 6945560, 7577684, 9472105, 13891120, 15155368, 18944210, 30310736, 37888420, 75776840, 151553680, 168603469, 337206938, 674413876, 843017345, 1348827752, 1686034690, 2697655504, 3372069380, 6744138760, 13488277520]

約数ペア:

[(1, 13488277520), (2, 6744138760), (4, 3372069380), (5, 2697655504), (8, 1686034690), (10, 1348827752), (16, 843017345), (20, 674413876), (40, 337206938), (80, 168603469), (89, 151553680), (178, 75776840), (356, 37888420), (445, 30310736), (712, 18944210), (890, 15155368), (971, 13891120), (1424, 9472105), (1780, 7577684), (1942, 6945560), (1951, 6913520), (3560, 3788842), (3884, 3472780), (3902, 3456760), (4855, 2778224), (7120, 1894421), (7768, 1736390), (7804, 1728380), (9710, 1389112), (9755, 1382704), (15536, 868195), (15608, 864190), (19420, 694556), (19510, 691352), (31216, 432095), (38840, 347278), (39020, 345676), (77680, 173639), (78040, 172838), (86419, 156080)]