641570253680

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{12281207}}^1$

素因数の和:12281873

約数の個数: 40

約数和(自身を含む): 1493935265952

約数和(自身を除く): 852365012272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 5224, 6530, 10448, 13060, 26120, 52240, 12281207, 24562414, 49124828, 61406035, 98249656, 122812070, 196499312, 245624140, 491248280, 982496560, 8019628171, 16039256342, 32078512684, 40098140855, 64157025368, 80196281710, 128314050736, 160392563420, 320785126840, 641570253680]

約数ペア:

[(1, 641570253680), (2, 320785126840), (4, 160392563420), (5, 128314050736), (8, 80196281710), (10, 64157025368), (16, 40098140855), (20, 32078512684), (40, 16039256342), (80, 8019628171), (653, 982496560), (1306, 491248280), (2612, 245624140), (3265, 196499312), (5224, 122812070), (6530, 98249656), (10448, 61406035), (13060, 49124828), (26120, 24562414), (52240, 12281207)]