90147520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6871}}^1$

素因数の和:6929

約数の個数: 56

約数和(自身を含む): 219931488

約数和(自身を除く): 129783968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 6871, 13120, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 219872, 274840, 281711, 439744, 549680, 563422, 1099360, 1126844, 1408555, 2198720, 2253688, 2817110, 4507376, 5634220, 9014752, 11268440, 18029504, 22536880, 45073760, 90147520]

約数ペア:

[(1, 90147520), (2, 45073760), (4, 22536880), (5, 18029504), (8, 11268440), (10, 9014752), (16, 5634220), (20, 4507376), (32, 2817110), (40, 2253688), (41, 2198720), (64, 1408555), (80, 1126844), (82, 1099360), (160, 563422), (164, 549680), (205, 439744), (320, 281711), (328, 274840), (410, 219872), (656, 137420), (820, 109936), (1312, 68710), (1640, 54968), (2624, 34355), (3280, 27484), (6560, 13742), (6871, 13120)]