128264630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51929}}^1$

素因数の和:51968

約数の個数: 32

約数和(自身を含む): 261727200

約数和(自身を除く): 133462570

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 51929, 103858, 259645, 519290, 675077, 986651, 1350154, 1973302, 3375385, 4933255, 6750770, 9866510, 12826463, 25652926, 64132315, 128264630]

約数ペア:

[(1, 128264630), (2, 64132315), (5, 25652926), (10, 12826463), (13, 9866510), (19, 6750770), (26, 4933255), (38, 3375385), (65, 1973302), (95, 1350154), (130, 986651), (190, 675077), (247, 519290), (494, 259645), (1235, 103858), (2470, 51929)]