40520246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{10321}}^1$

素因数の和:10487

約数の個数: 16

約数和(自身を含む): 65895648

約数和(自身を除く): 25375402

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 10321, 20642, 134173, 268346, 1558471, 3116942, 20260123, 40520246]

約数ペア:

[(1, 40520246), (2, 20260123), (13, 3116942), (26, 1558471), (151, 268346), (302, 134173), (1963, 20642), (3926, 10321)]