65191820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 140894208

約数和(自身を除く): 75702388

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 311, 446, 470, 622, 892, 940, 1115, 1244, 1555, 2230, 3110, 4460, 6220, 10481, 14617, 20962, 29234, 41924, 52405, 58468, 69353, 73085, 104810, 138706, 146170, 209620, 277412, 292340, 346765, 693530, 1387060, 3259591, 6519182, 13038364, 16297955, 32595910, 65191820]

約数ペア:

[(1, 65191820), (2, 32595910), (4, 16297955), (5, 13038364), (10, 6519182), (20, 3259591), (47, 1387060), (94, 693530), (188, 346765), (223, 292340), (235, 277412), (311, 209620), (446, 146170), (470, 138706), (622, 104810), (892, 73085), (940, 69353), (1115, 58468), (1244, 52405), (1555, 41924), (2230, 29234), (3110, 20962), (4460, 14617), (6220, 10481)]