78418600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30161}}^1$

素因数の和:30190

約数の個数: 48

約数和(自身を含む): 196354620

約数和(自身を除く): 117936020

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30161, 60322, 120644, 150805, 241288, 301610, 392093, 603220, 754025, 784186, 1206440, 1508050, 1568372, 1960465, 3016100, 3136744, 3920930, 6032200, 7841860, 9802325, 15683720, 19604650, 39209300, 78418600]

約数ペア:

[(1, 78418600), (2, 39209300), (4, 19604650), (5, 15683720), (8, 9802325), (10, 7841860), (13, 6032200), (20, 3920930), (25, 3136744), (26, 3016100), (40, 1960465), (50, 1568372), (52, 1508050), (65, 1206440), (100, 784186), (104, 754025), (130, 603220), (200, 392093), (260, 301610), (325, 241288), (520, 150805), (650, 120644), (1300, 60322), (2600, 30161)]