40509440

素因数分解:

$2^{13}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 112

約数和(自身を含む): 103802688

約数和(自身を除く): 63293248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 128, 160, 172, 184, 215, 230, 256, 320, 344, 368, 430, 460, 512, 640, 688, 736, 860, 920, 989, 1024, 1280, 1376, 1472, 1720, 1840, 1978, 2048, 2560, 2752, 2944, 3440, 3680, 3956, 4096, 4945, 5120, 5504, 5888, 6880, 7360, 7912, 8192, 9890, 10240, 11008, 11776, 13760, 14720, 15824, 19780, 20480, 22016, 23552, 27520, 29440, 31648, 39560, 40960, 44032, 47104, 55040, 58880, 63296, 79120, 88064, 94208, 110080, 117760, 126592, 158240, 176128, 188416, 220160, 235520, 253184, 316480, 352256, 440320, 471040, 506368, 632960, 880640, 942080, 1012736, 1265920, 1761280, 2025472, 2531840, 4050944, 5063680, 8101888, 10127360, 20254720, 40509440]

約数ペア:

[(1, 40509440), (2, 20254720), (4, 10127360), (5, 8101888), (8, 5063680), (10, 4050944), (16, 2531840), (20, 2025472), (23, 1761280), (32, 1265920), (40, 1012736), (43, 942080), (46, 880640), (64, 632960), (80, 506368), (86, 471040), (92, 440320), (115, 352256), (128, 316480), (160, 253184), (172, 235520), (184, 220160), (215, 188416), (230, 176128), (256, 158240), (320, 126592), (344, 117760), (368, 110080), (430, 94208), (460, 88064), (512, 79120), (640, 63296), (688, 58880), (736, 55040), (860, 47104), (920, 44032), (989, 40960), (1024, 39560), (1280, 31648), (1376, 29440), (1472, 27520), (1720, 23552), (1840, 22016), (1978, 20480), (2048, 19780), (2560, 15824), (2752, 14720), (2944, 13760), (3440, 11776), (3680, 11008), (3956, 10240), (4096, 9890), (4945, 8192), (5120, 7912), (5504, 7360), (5888, 6880)]