78839800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30323}}^1$

素因数の和:30352

約数の個数: 48

約数和(自身を含む): 197409240

約数和(自身を除く): 118569440

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, 30323, 60646, 121292, 151615, 242584, 303230, 394199, 606460, 758075, 788398, 1212920, 1516150, 1576796, 1970995, 3032300, 3153592, 3941990, 6064600, 7883980, 9854975, 15767960, 19709950, 39419900, 78839800]

約数ペア:

[(1, 78839800), (2, 39419900), (4, 19709950), (5, 15767960), (8, 9854975), (10, 7883980), (13, 6064600), (20, 3941990), (25, 3153592), (26, 3032300), (40, 1970995), (50, 1576796), (52, 1516150), (65, 1212920), (100, 788398), (104, 758075), (130, 606460), (200, 394199), (260, 303230), (325, 242584), (520, 151615), (650, 121292), (1300, 60646), (2600, 30323)]