25628440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 61041600

約数和(自身を除く): 35413160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 313, 356, 445, 460, 626, 712, 890, 920, 1252, 1565, 1780, 2047, 2504, 3130, 3560, 4094, 6260, 7199, 8188, 10235, 12520, 14398, 16376, 20470, 27857, 28796, 35995, 40940, 55714, 57592, 71990, 81880, 111428, 139285, 143980, 222856, 278570, 287960, 557140, 640711, 1114280, 1281422, 2562844, 3203555, 5125688, 6407110, 12814220, 25628440]

約数ペア:

[(1, 25628440), (2, 12814220), (4, 6407110), (5, 5125688), (8, 3203555), (10, 2562844), (20, 1281422), (23, 1114280), (40, 640711), (46, 557140), (89, 287960), (92, 278570), (115, 222856), (178, 143980), (184, 139285), (230, 111428), (313, 81880), (356, 71990), (445, 57592), (460, 55714), (626, 40940), (712, 35995), (890, 28796), (920, 27857), (1252, 20470), (1565, 16376), (1780, 14398), (2047, 12520), (2504, 10235), (3130, 8188), (3560, 7199), (4094, 6260)]