4000672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 8678880

約数和(自身を除く): 4678208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 163, 208, 236, 326, 416, 472, 652, 767, 944, 1304, 1534, 1888, 2119, 2608, 3068, 4238, 5216, 6136, 8476, 9617, 12272, 16952, 19234, 24544, 33904, 38468, 67808, 76936, 125021, 153872, 250042, 307744, 500084, 1000168, 2000336, 4000672]

約数ペア:

[(1, 4000672), (2, 2000336), (4, 1000168), (8, 500084), (13, 307744), (16, 250042), (26, 153872), (32, 125021), (52, 76936), (59, 67808), (104, 38468), (118, 33904), (163, 24544), (208, 19234), (236, 16952), (326, 12272), (416, 9617), (472, 8476), (652, 6136), (767, 5216), (944, 4238), (1304, 3068), (1534, 2608), (1888, 2119)]