20199085600

素因数分解:

$2^5\times 5^2\times {\mathrm{613}}^1\times {\mathrm{41189}}^1$

素因数の和:41822

約数の個数: 72

約数和(自身を含む): 49392658980

約数和(自身を除く): 29193573380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 613, 800, 1226, 2452, 3065, 4904, 6130, 9808, 12260, 15325, 19616, 24520, 30650, 41189, 49040, 61300, 82378, 98080, 122600, 164756, 205945, 245200, 329512, 411890, 490400, 659024, 823780, 1029725, 1318048, 1647560, 2059450, 3295120, 4118900, 6590240, 8237800, 16475600, 25248857, 32951200, 50497714, 100995428, 126244285, 201990856, 252488570, 403981712, 504977140, 631221425, 807963424, 1009954280, 1262442850, 2019908560, 2524885700, 4039817120, 5049771400, 10099542800, 20199085600]

約数ペア:

[(1, 20199085600), (2, 10099542800), (4, 5049771400), (5, 4039817120), (8, 2524885700), (10, 2019908560), (16, 1262442850), (20, 1009954280), (25, 807963424), (32, 631221425), (40, 504977140), (50, 403981712), (80, 252488570), (100, 201990856), (160, 126244285), (200, 100995428), (400, 50497714), (613, 32951200), (800, 25248857), (1226, 16475600), (2452, 8237800), (3065, 6590240), (4904, 4118900), (6130, 3295120), (9808, 2059450), (12260, 1647560), (15325, 1318048), (19616, 1029725), (24520, 823780), (30650, 659024), (41189, 490400), (49040, 411890), (61300, 329512), (82378, 245200), (98080, 205945), (122600, 164756)]