40420538

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1429

約数の個数: 16

約数和(自身を含む): 61762176

約数和(自身を除く): 21341638

約数列:

[1, 2, 73, 146, 251, 502, 1103, 2206, 18323, 36646, 80519, 161038, 276853, 553706, 20210269, 40420538]

約数ペア:

[(1, 40420538), (2, 20210269), (73, 553706), (146, 276853), (251, 161038), (502, 80519), (1103, 36646), (2206, 18323)]