43207720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 100602000

約数和(自身を除く): 57394280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 229, 265, 356, 424, 445, 458, 530, 712, 890, 916, 1060, 1145, 1780, 1832, 2120, 2290, 3560, 4580, 4717, 9160, 9434, 12137, 18868, 20381, 23585, 24274, 37736, 40762, 47170, 48548, 60685, 81524, 94340, 97096, 101905, 121370, 163048, 188680, 203810, 242740, 407620, 485480, 815240, 1080193, 2160386, 4320772, 5400965, 8641544, 10801930, 21603860, 43207720]

約数ペア:

[(1, 43207720), (2, 21603860), (4, 10801930), (5, 8641544), (8, 5400965), (10, 4320772), (20, 2160386), (40, 1080193), (53, 815240), (89, 485480), (106, 407620), (178, 242740), (212, 203810), (229, 188680), (265, 163048), (356, 121370), (424, 101905), (445, 97096), (458, 94340), (530, 81524), (712, 60685), (890, 48548), (916, 47170), (1060, 40762), (1145, 37736), (1780, 24274), (1832, 23585), (2120, 20381), (2290, 18868), (3560, 12137), (4580, 9434), (4717, 9160)]