81594500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12553}}^1$

素因数の和:12585

約数の個数: 48

約数和(自身を含む): 191925552

約数和(自身を除く): 110331052

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12553, 25106, 50212, 62765, 125530, 163189, 251060, 313825, 326378, 627650, 652756, 815945, 1255300, 1569125, 1631890, 3138250, 3263780, 4079725, 6276500, 8159450, 16318900, 20398625, 40797250, 81594500]

約数ペア:

[(1, 81594500), (2, 40797250), (4, 20398625), (5, 16318900), (10, 8159450), (13, 6276500), (20, 4079725), (25, 3263780), (26, 3138250), (50, 1631890), (52, 1569125), (65, 1255300), (100, 815945), (125, 652756), (130, 627650), (250, 326378), (260, 313825), (325, 251060), (500, 163189), (650, 125530), (1300, 62765), (1625, 50212), (3250, 25106), (6500, 12553)]