4073420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15667}}^1$

素因数の和:15689

約数の個数: 24

約数和(自身を含む): 9212784

約数和(自身を除く): 5139364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15667, 31334, 62668, 78335, 156670, 203671, 313340, 407342, 814684, 1018355, 2036710, 4073420]

約数ペア:

[(1, 4073420), (2, 2036710), (4, 1018355), (5, 814684), (10, 407342), (13, 313340), (20, 203671), (26, 156670), (52, 78335), (65, 62668), (130, 31334), (260, 15667)]