80869850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 161206200

約数和(自身を除く): 80336350

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 425, 445, 850, 890, 1069, 1513, 2138, 2225, 3026, 4450, 5345, 7565, 10690, 15130, 18173, 26725, 36346, 37825, 53450, 75650, 90865, 95141, 181730, 190282, 454325, 475705, 908650, 951410, 1617397, 2378525, 3234794, 4757050, 8086985, 16173970, 40434925, 80869850]

約数ペア:

[(1, 80869850), (2, 40434925), (5, 16173970), (10, 8086985), (17, 4757050), (25, 3234794), (34, 2378525), (50, 1617397), (85, 951410), (89, 908650), (170, 475705), (178, 454325), (425, 190282), (445, 181730), (850, 95141), (890, 90865), (1069, 75650), (1513, 53450), (2138, 37825), (2225, 36346), (3026, 26725), (4450, 18173), (5345, 15130), (7565, 10690)]