655314920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9923}}^1$

素因数の和:10074

約数の個数: 64

約数和(自身を含む): 1600542720

約数和(自身を除く): 945227800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 8255, 9923, 13208, 16510, 19846, 33020, 39692, 49615, 66040, 79384, 99230, 128999, 198460, 257998, 396920, 515996, 644995, 1031992, 1260221, 1289990, 2520442, 2579980, 5040884, 5159960, 6301105, 10081768, 12602210, 16382873, 25204420, 32765746, 50408840, 65531492, 81914365, 131062984, 163828730, 327657460, 655314920]

約数ペア:

[(1, 655314920), (2, 327657460), (4, 163828730), (5, 131062984), (8, 81914365), (10, 65531492), (13, 50408840), (20, 32765746), (26, 25204420), (40, 16382873), (52, 12602210), (65, 10081768), (104, 6301105), (127, 5159960), (130, 5040884), (254, 2579980), (260, 2520442), (508, 1289990), (520, 1260221), (635, 1031992), (1016, 644995), (1270, 515996), (1651, 396920), (2540, 257998), (3302, 198460), (5080, 128999), (6604, 99230), (8255, 79384), (9923, 66040), (13208, 49615), (16510, 39692), (19846, 33020)]