40931840

素因数分解:

$2^9\times 5^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 59240320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 271, 295, 320, 472, 512, 542, 590, 640, 944, 1084, 1180, 1280, 1355, 1888, 2168, 2360, 2560, 2710, 3776, 4336, 4720, 5420, 7552, 8672, 9440, 10840, 15104, 15989, 17344, 18880, 21680, 30208, 31978, 34688, 37760, 43360, 63956, 69376, 75520, 79945, 86720, 127912, 138752, 151040, 159890, 173440, 255824, 319780, 346880, 511648, 639560, 693760, 1023296, 1279120, 2046592, 2558240, 4093184, 5116480, 8186368, 10232960, 20465920, 40931840]

約数ペア:

[(1, 40931840), (2, 20465920), (4, 10232960), (5, 8186368), (8, 5116480), (10, 4093184), (16, 2558240), (20, 2046592), (32, 1279120), (40, 1023296), (59, 693760), (64, 639560), (80, 511648), (118, 346880), (128, 319780), (160, 255824), (236, 173440), (256, 159890), (271, 151040), (295, 138752), (320, 127912), (472, 86720), (512, 79945), (542, 75520), (590, 69376), (640, 63956), (944, 43360), (1084, 37760), (1180, 34688), (1280, 31978), (1355, 30208), (1888, 21680), (2168, 18880), (2360, 17344), (2560, 15989), (2710, 15104), (3776, 10840), (4336, 9440), (4720, 8672), (5420, 7552)]