68511820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6427}}^1$

素因数の和:6490

約数の個数: 48

約数和(自身を含む): 158745888

約数和(自身を除く): 90234068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 6427, 10660, 12854, 25708, 32135, 64270, 83551, 128540, 167102, 263507, 334204, 417755, 527014, 835510, 1054028, 1317535, 1671020, 2635070, 3425591, 5270140, 6851182, 13702364, 17127955, 34255910, 68511820]

約数ペア:

[(1, 68511820), (2, 34255910), (4, 17127955), (5, 13702364), (10, 6851182), (13, 5270140), (20, 3425591), (26, 2635070), (41, 1671020), (52, 1317535), (65, 1054028), (82, 835510), (130, 527014), (164, 417755), (205, 334204), (260, 263507), (410, 167102), (533, 128540), (820, 83551), (1066, 64270), (2132, 32135), (2665, 25708), (5330, 12854), (6427, 10660)]