8871520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^2$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 24225264

約数和(自身を除く): 15353744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 356, 445, 560, 623, 712, 890, 1120, 1246, 1424, 1780, 2492, 2848, 3115, 3560, 4984, 6230, 7120, 7921, 9968, 12460, 14240, 15842, 19936, 24920, 31684, 39605, 49840, 55447, 63368, 79210, 99680, 110894, 126736, 158420, 221788, 253472, 277235, 316840, 443576, 554470, 633680, 887152, 1108940, 1267360, 1774304, 2217880, 4435760, 8871520]

約数ペア:

[(1, 8871520), (2, 4435760), (4, 2217880), (5, 1774304), (7, 1267360), (8, 1108940), (10, 887152), (14, 633680), (16, 554470), (20, 443576), (28, 316840), (32, 277235), (35, 253472), (40, 221788), (56, 158420), (70, 126736), (80, 110894), (89, 99680), (112, 79210), (140, 63368), (160, 55447), (178, 49840), (224, 39605), (280, 31684), (356, 24920), (445, 19936), (560, 15842), (623, 14240), (712, 12460), (890, 9968), (1120, 7921), (1246, 7120), (1424, 6230), (1780, 4984), (2492, 3560), (2848, 3115)]