54891640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 132386400

約数和(自身を除く): 77494760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 907, 1513, 1780, 1814, 3026, 3560, 3628, 4535, 6052, 7256, 7565, 9070, 12104, 15130, 15419, 18140, 30260, 30838, 36280, 60520, 61676, 77095, 80723, 123352, 154190, 161446, 308380, 322892, 403615, 616760, 645784, 807230, 1372291, 1614460, 2744582, 3228920, 5489164, 6861455, 10978328, 13722910, 27445820, 54891640]

約数ペア:

[(1, 54891640), (2, 27445820), (4, 13722910), (5, 10978328), (8, 6861455), (10, 5489164), (17, 3228920), (20, 2744582), (34, 1614460), (40, 1372291), (68, 807230), (85, 645784), (89, 616760), (136, 403615), (170, 322892), (178, 308380), (340, 161446), (356, 154190), (445, 123352), (680, 80723), (712, 77095), (890, 61676), (907, 60520), (1513, 36280), (1780, 30838), (1814, 30260), (3026, 18140), (3560, 15419), (3628, 15130), (4535, 12104), (6052, 9070), (7256, 7565)]