325058560

素因数分解:

$2^{21}\times 5^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 88

約数和(自身を含む): 805306176

約数和(自身を除く): 480247616

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, 5079040, 5242880, 8126464, 10158080, 10485760, 16252928, 20316160, 32505856, 40632320, 65011712, 81264640, 162529280, 325058560]

約数ペア:

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