65812240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63281}}^1$

素因数の和:63307

約数の個数: 40

約数和(自身を含む): 164786328

約数和(自身を除く): 98974088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63281, 126562, 253124, 316405, 506248, 632810, 822653, 1012496, 1265620, 1645306, 2531240, 3290612, 4113265, 5062480, 6581224, 8226530, 13162448, 16453060, 32906120, 65812240]

約数ペア:

[(1, 65812240), (2, 32906120), (4, 16453060), (5, 13162448), (8, 8226530), (10, 6581224), (13, 5062480), (16, 4113265), (20, 3290612), (26, 2531240), (40, 1645306), (52, 1265620), (65, 1012496), (80, 822653), (104, 632810), (130, 506248), (208, 316405), (260, 253124), (520, 126562), (1040, 63281)]