3121040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3001}}^1$

素因数の和:3027

約数の個数: 40

約数和(自身を含む): 7817208

約数和(自身を除く): 4696168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3001, 6002, 12004, 15005, 24008, 30010, 39013, 48016, 60020, 78026, 120040, 156052, 195065, 240080, 312104, 390130, 624208, 780260, 1560520, 3121040]

約数ペア:

[(1, 3121040), (2, 1560520), (4, 780260), (5, 624208), (8, 390130), (10, 312104), (13, 240080), (16, 195065), (20, 156052), (26, 120040), (40, 78026), (52, 60020), (65, 48016), (80, 39013), (104, 30010), (130, 24008), (208, 15005), (260, 12004), (520, 6002), (1040, 3001)]