531787100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3375

約数の個数: 72

約数和(自身を含む): 1252919808

約数和(自身を除く): 721132708

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1270, 1300, 1651, 2540, 3175, 3221, 3302, 6350, 6442, 6604, 8255, 12700, 12884, 16105, 16510, 32210, 33020, 41275, 41873, 64420, 80525, 82550, 83746, 161050, 165100, 167492, 209365, 322100, 409067, 418730, 818134, 837460, 1046825, 1636268, 2045335, 2093650, 4090670, 4187300, 5317871, 8181340, 10226675, 10635742, 20453350, 21271484, 26589355, 40906700, 53178710, 106357420, 132946775, 265893550, 531787100]

約数ペア:

[(1, 531787100), (2, 265893550), (4, 132946775), (5, 106357420), (10, 53178710), (13, 40906700), (20, 26589355), (25, 21271484), (26, 20453350), (50, 10635742), (52, 10226675), (65, 8181340), (100, 5317871), (127, 4187300), (130, 4090670), (254, 2093650), (260, 2045335), (325, 1636268), (508, 1046825), (635, 837460), (650, 818134), (1270, 418730), (1300, 409067), (1651, 322100), (2540, 209365), (3175, 167492), (3221, 165100), (3302, 161050), (6350, 83746), (6442, 82550), (6604, 80525), (8255, 64420), (12700, 41873), (12884, 41275), (16105, 33020), (16510, 32210)]