80139280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 202112064

約数和(自身を除く): 121972784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 307, 502, 520, 614, 1004, 1040, 1228, 1255, 1535, 2008, 2456, 2510, 3070, 3263, 3991, 4016, 4912, 5020, 6140, 6526, 7982, 10040, 12280, 13052, 15964, 16315, 19955, 20080, 24560, 26104, 31928, 32630, 39910, 52208, 63856, 65260, 77057, 79820, 130520, 154114, 159640, 261040, 308228, 319280, 385285, 616456, 770570, 1001741, 1232912, 1541140, 2003482, 3082280, 4006964, 5008705, 6164560, 8013928, 10017410, 16027856, 20034820, 40069640, 80139280]

約数ペア:

[(1, 80139280), (2, 40069640), (4, 20034820), (5, 16027856), (8, 10017410), (10, 8013928), (13, 6164560), (16, 5008705), (20, 4006964), (26, 3082280), (40, 2003482), (52, 1541140), (65, 1232912), (80, 1001741), (104, 770570), (130, 616456), (208, 385285), (251, 319280), (260, 308228), (307, 261040), (502, 159640), (520, 154114), (614, 130520), (1004, 79820), (1040, 77057), (1228, 65260), (1255, 63856), (1535, 52208), (2008, 39910), (2456, 32630), (2510, 31928), (3070, 26104), (3263, 24560), (3991, 20080), (4016, 19955), (4912, 16315), (5020, 15964), (6140, 13052), (6526, 12280), (7982, 10040)]