2554240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 6597360

約数和(自身を除く): 4043120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 307, 320, 416, 520, 614, 640, 832, 1040, 1228, 1535, 1664, 2080, 2456, 3070, 3991, 4160, 4912, 6140, 7982, 8320, 9824, 12280, 15964, 19648, 19955, 24560, 31928, 39296, 39910, 49120, 63856, 79820, 98240, 127712, 159640, 196480, 255424, 319280, 510848, 638560, 1277120, 2554240]

約数ペア:

[(1, 2554240), (2, 1277120), (4, 638560), (5, 510848), (8, 319280), (10, 255424), (13, 196480), (16, 159640), (20, 127712), (26, 98240), (32, 79820), (40, 63856), (52, 49120), (64, 39910), (65, 39296), (80, 31928), (104, 24560), (128, 19955), (130, 19648), (160, 15964), (208, 12280), (260, 9824), (307, 8320), (320, 7982), (416, 6140), (520, 4912), (614, 4160), (640, 3991), (832, 3070), (1040, 2456), (1228, 2080), (1535, 1664)]