67429420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82231}}^1$

素因数の和:82281

約数の個数: 24

約数和(自身を含む): 145057248

約数和(自身を除く): 77627828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82231, 164462, 328924, 411155, 822310, 1644620, 3371471, 6742942, 13485884, 16857355, 33714710, 67429420]

約数ペア:

[(1, 67429420), (2, 33714710), (4, 16857355), (5, 13485884), (10, 6742942), (20, 3371471), (41, 1644620), (82, 822310), (164, 411155), (205, 328924), (410, 164462), (820, 82231)]