634121440

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44531}}^1$

素因数の和:44635

約数の個数: 48

約数和(自身を含む): 1514978640

約数和(自身を除く): 880857200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 44531, 89062, 178124, 222655, 356248, 445310, 712496, 890620, 1424992, 1781240, 3562480, 3963259, 7124960, 7926518, 15853036, 19816295, 31706072, 39632590, 63412144, 79265180, 126824288, 158530360, 317060720, 634121440]

約数ペア:

[(1, 634121440), (2, 317060720), (4, 158530360), (5, 126824288), (8, 79265180), (10, 63412144), (16, 39632590), (20, 31706072), (32, 19816295), (40, 15853036), (80, 7926518), (89, 7124960), (160, 3963259), (178, 3562480), (356, 1781240), (445, 1424992), (712, 890620), (890, 712496), (1424, 445310), (1780, 356248), (2848, 222655), (3560, 178124), (7120, 89062), (14240, 44531)]