650117120

素因数分解:

$2^{22}\times 5^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 92

約数和(自身を含む): 1610612544

約数和(自身を除く): 960495424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4096, 4960, 5120, 7936, 8192, 9920, 10240, 15872, 16384, 19840, 20480, 31744, 32768, 39680, 40960, 63488, 65536, 79360, 81920, 126976, 131072, 158720, 163840, 253952, 262144, 317440, 327680, 507904, 524288, 634880, 655360, 1015808, 1048576, 1269760, 1310720, 2031616, 2097152, 2539520, 2621440, 4063232, 4194304, 5079040, 5242880, 8126464, 10158080, 10485760, 16252928, 20316160, 20971520, 32505856, 40632320, 65011712, 81264640, 130023424, 162529280, 325058560, 650117120]

約数ペア:

[(1, 650117120), (2, 325058560), (4, 162529280), (5, 130023424), (8, 81264640), (10, 65011712), (16, 40632320), (20, 32505856), (31, 20971520), (32, 20316160), (40, 16252928), (62, 10485760), (64, 10158080), (80, 8126464), (124, 5242880), (128, 5079040), (155, 4194304), (160, 4063232), (248, 2621440), (256, 2539520), (310, 2097152), (320, 2031616), (496, 1310720), (512, 1269760), (620, 1048576), (640, 1015808), (992, 655360), (1024, 634880), (1240, 524288), (1280, 507904), (1984, 327680), (2048, 317440), (2480, 262144), (2560, 253952), (3968, 163840), (4096, 158720), (4960, 131072), (5120, 126976), (7936, 81920), (8192, 79360), (9920, 65536), (10240, 63488), (15872, 40960), (16384, 39680), (19840, 32768), (20480, 31744)]