419840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 1031940

約数和(自身を除く): 612100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1280, 1312, 1640, 2048, 2560, 2624, 3280, 5120, 5248, 6560, 10240, 10496, 13120, 20992, 26240, 41984, 52480, 83968, 104960, 209920, 419840]

約数ペア:

[(1, 419840), (2, 209920), (4, 104960), (5, 83968), (8, 52480), (10, 41984), (16, 26240), (20, 20992), (32, 13120), (40, 10496), (41, 10240), (64, 6560), (80, 5248), (82, 5120), (128, 3280), (160, 2624), (164, 2560), (205, 2048), (256, 1640), (320, 1312), (328, 1280), (410, 1024), (512, 820), (640, 656)]