19685040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82021}}^1$

素因数の和:82037

約数の個数: 40

約数和(自身を含む): 61024368

約数和(自身を除く): 41339328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82021, 164042, 246063, 328084, 410105, 492126, 656168, 820210, 984252, 1230315, 1312336, 1640420, 1968504, 2460630, 3280840, 3937008, 4921260, 6561680, 9842520, 19685040]

約数ペア:

[(1, 19685040), (2, 9842520), (3, 6561680), (4, 4921260), (5, 3937008), (6, 3280840), (8, 2460630), (10, 1968504), (12, 1640420), (15, 1312336), (16, 1230315), (20, 984252), (24, 820210), (30, 656168), (40, 492126), (48, 410105), (60, 328084), (80, 246063), (120, 164042), (240, 82021)]