40867840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 105945840

約数和(自身を除く): 65078000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 307, 320, 416, 512, 520, 614, 640, 832, 1024, 1040, 1228, 1280, 1535, 1664, 2048, 2080, 2456, 2560, 3070, 3328, 3991, 4160, 4912, 5120, 6140, 6656, 7982, 8320, 9824, 10240, 12280, 13312, 15964, 16640, 19648, 19955, 24560, 26624, 31928, 33280, 39296, 39910, 49120, 63856, 66560, 78592, 79820, 98240, 127712, 133120, 157184, 159640, 196480, 255424, 314368, 319280, 392960, 510848, 628736, 638560, 785920, 1021696, 1277120, 1571840, 2043392, 2554240, 3143680, 4086784, 5108480, 8173568, 10216960, 20433920, 40867840]

約数ペア:

[(1, 40867840), (2, 20433920), (4, 10216960), (5, 8173568), (8, 5108480), (10, 4086784), (13, 3143680), (16, 2554240), (20, 2043392), (26, 1571840), (32, 1277120), (40, 1021696), (52, 785920), (64, 638560), (65, 628736), (80, 510848), (104, 392960), (128, 319280), (130, 314368), (160, 255424), (208, 196480), (256, 159640), (260, 157184), (307, 133120), (320, 127712), (416, 98240), (512, 79820), (520, 78592), (614, 66560), (640, 63856), (832, 49120), (1024, 39910), (1040, 39296), (1228, 33280), (1280, 31928), (1535, 26624), (1664, 24560), (2048, 19955), (2080, 19648), (2456, 16640), (2560, 15964), (3070, 13312), (3328, 12280), (3991, 10240), (4160, 9824), (4912, 8320), (5120, 7982), (6140, 6656)]