81794180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7673}}^1$

素因数の和:7736

約数の個数: 48

約数和(自身を含む): 189517104

約数和(自身を除く): 107722924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7673, 10660, 15346, 30692, 38365, 76730, 99749, 153460, 199498, 314593, 398996, 498745, 629186, 997490, 1258372, 1572965, 1994980, 3145930, 4089709, 6291860, 8179418, 16358836, 20448545, 40897090, 81794180]

約数ペア:

[(1, 81794180), (2, 40897090), (4, 20448545), (5, 16358836), (10, 8179418), (13, 6291860), (20, 4089709), (26, 3145930), (41, 1994980), (52, 1572965), (65, 1258372), (82, 997490), (130, 629186), (164, 498745), (205, 398996), (260, 314593), (410, 199498), (533, 153460), (820, 99749), (1066, 76730), (2132, 38365), (2665, 30692), (5330, 15346), (7673, 10660)]