19548800

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 49801500

約数和(自身を除く): 30252700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 149, 160, 164, 200, 205, 298, 320, 328, 400, 410, 596, 640, 656, 745, 800, 820, 1025, 1192, 1312, 1490, 1600, 1640, 2050, 2384, 2624, 2980, 3200, 3280, 3725, 4100, 4768, 5248, 5960, 6109, 6560, 7450, 8200, 9536, 11920, 12218, 13120, 14900, 16400, 19072, 23840, 24436, 26240, 29800, 30545, 32800, 47680, 48872, 59600, 61090, 65600, 95360, 97744, 119200, 122180, 131200, 152725, 195488, 238400, 244360, 305450, 390976, 476800, 488720, 610900, 781952, 977440, 1221800, 1954880, 2443600, 3909760, 4887200, 9774400, 19548800]

約数ペア:

[(1, 19548800), (2, 9774400), (4, 4887200), (5, 3909760), (8, 2443600), (10, 1954880), (16, 1221800), (20, 977440), (25, 781952), (32, 610900), (40, 488720), (41, 476800), (50, 390976), (64, 305450), (80, 244360), (82, 238400), (100, 195488), (128, 152725), (149, 131200), (160, 122180), (164, 119200), (200, 97744), (205, 95360), (298, 65600), (320, 61090), (328, 59600), (400, 48872), (410, 47680), (596, 32800), (640, 30545), (656, 29800), (745, 26240), (800, 24436), (820, 23840), (1025, 19072), (1192, 16400), (1312, 14900), (1490, 13120), (1600, 12218), (1640, 11920), (2050, 9536), (2384, 8200), (2624, 7450), (2980, 6560), (3200, 6109), (3280, 5960), (3725, 5248), (4100, 4768)]