66667520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 88

約数和(自身を含む): 165807000

約数和(自身を除く): 99139480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 449, 464, 512, 580, 640, 898, 928, 1024, 1160, 1280, 1796, 1856, 2245, 2320, 2560, 3592, 3712, 4490, 4640, 5120, 7184, 7424, 8980, 9280, 13021, 14368, 14848, 17960, 18560, 26042, 28736, 29696, 35920, 37120, 52084, 57472, 65105, 71840, 74240, 104168, 114944, 130210, 143680, 148480, 208336, 229888, 260420, 287360, 416672, 459776, 520840, 574720, 833344, 1041680, 1149440, 1666688, 2083360, 2298880, 3333376, 4166720, 6666752, 8333440, 13333504, 16666880, 33333760, 66667520]

約数ペア:

[(1, 66667520), (2, 33333760), (4, 16666880), (5, 13333504), (8, 8333440), (10, 6666752), (16, 4166720), (20, 3333376), (29, 2298880), (32, 2083360), (40, 1666688), (58, 1149440), (64, 1041680), (80, 833344), (116, 574720), (128, 520840), (145, 459776), (160, 416672), (232, 287360), (256, 260420), (290, 229888), (320, 208336), (449, 148480), (464, 143680), (512, 130210), (580, 114944), (640, 104168), (898, 74240), (928, 71840), (1024, 65105), (1160, 57472), (1280, 52084), (1796, 37120), (1856, 35920), (2245, 29696), (2320, 28736), (2560, 26042), (3592, 18560), (3712, 17960), (4490, 14848), (4640, 14368), (5120, 13021), (7184, 9280), (7424, 8980)]