80736500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12421}}^1$

素因数の和:12453

約数の個数: 48

約数和(自身を含む): 189907536

約数和(自身を除く): 109171036

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, 12421, 24842, 49684, 62105, 124210, 161473, 248420, 310525, 322946, 621050, 645892, 807365, 1242100, 1552625, 1614730, 3105250, 3229460, 4036825, 6210500, 8073650, 16147300, 20184125, 40368250, 80736500]

約数ペア:

[(1, 80736500), (2, 40368250), (4, 20184125), (5, 16147300), (10, 8073650), (13, 6210500), (20, 4036825), (25, 3229460), (26, 3105250), (50, 1614730), (52, 1552625), (65, 1242100), (100, 807365), (125, 645892), (130, 621050), (250, 322946), (260, 310525), (325, 248420), (500, 161473), (650, 124210), (1300, 62105), (1625, 49684), (3250, 24842), (6500, 12421)]