53209720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8161}}^1$

素因数の和:8335

約数の個数: 32

約数和(自身を含む): 120471120

約数和(自身を除く): 67261400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 8161, 16322, 32644, 40805, 65288, 81610, 163220, 326440, 1330243, 2660486, 5320972, 6651215, 10641944, 13302430, 26604860, 53209720]

約数ペア:

[(1, 53209720), (2, 26604860), (4, 13302430), (5, 10641944), (8, 6651215), (10, 5320972), (20, 2660486), (40, 1330243), (163, 326440), (326, 163220), (652, 81610), (815, 65288), (1304, 40805), (1630, 32644), (3260, 16322), (6520, 8161)]