40238080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 88

約数和(自身を含む): 100221120

約数和(自身を除く): 59983040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 271, 290, 320, 464, 512, 542, 580, 640, 928, 1024, 1084, 1160, 1280, 1355, 1856, 2168, 2320, 2560, 2710, 3712, 4336, 4640, 5120, 5420, 7424, 7859, 8672, 9280, 10840, 14848, 15718, 17344, 18560, 21680, 29696, 31436, 34688, 37120, 39295, 43360, 62872, 69376, 74240, 78590, 86720, 125744, 138752, 148480, 157180, 173440, 251488, 277504, 314360, 346880, 502976, 628720, 693760, 1005952, 1257440, 1387520, 2011904, 2514880, 4023808, 5029760, 8047616, 10059520, 20119040, 40238080]

約数ペア:

[(1, 40238080), (2, 20119040), (4, 10059520), (5, 8047616), (8, 5029760), (10, 4023808), (16, 2514880), (20, 2011904), (29, 1387520), (32, 1257440), (40, 1005952), (58, 693760), (64, 628720), (80, 502976), (116, 346880), (128, 314360), (145, 277504), (160, 251488), (232, 173440), (256, 157180), (271, 148480), (290, 138752), (320, 125744), (464, 86720), (512, 78590), (542, 74240), (580, 69376), (640, 62872), (928, 43360), (1024, 39295), (1084, 37120), (1160, 34688), (1280, 31436), (1355, 29696), (1856, 21680), (2168, 18560), (2320, 17344), (2560, 15718), (2710, 14848), (3712, 10840), (4336, 9280), (4640, 8672), (5120, 7859), (5420, 7424)]