65945140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^3\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 145313280

約数和(自身を除く): 79368140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 529, 542, 1058, 1084, 1355, 2116, 2645, 2710, 5290, 5420, 6233, 10580, 12167, 12466, 24334, 24932, 31165, 48668, 60835, 62330, 121670, 124660, 143359, 243340, 286718, 573436, 716795, 1433590, 2867180, 3297257, 6594514, 13189028, 16486285, 32972570, 65945140]

約数ペア:

[(1, 65945140), (2, 32972570), (4, 16486285), (5, 13189028), (10, 6594514), (20, 3297257), (23, 2867180), (46, 1433590), (92, 716795), (115, 573436), (230, 286718), (271, 243340), (460, 143359), (529, 124660), (542, 121670), (1058, 62330), (1084, 60835), (1355, 48668), (2116, 31165), (2645, 24932), (2710, 24334), (5290, 12466), (5420, 12167), (6233, 10580)]