1011998720

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 112

約数和(自身を含む): 2510137728

約数和(自身を除く): 1498139008

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, 797, 992, 1024, 1240, 1280, 1594, 1984, 2048, 2480, 2560, 3188, 3968, 3985, 4096, 4960, 5120, 6376, 7936, 7970, 8192, 9920, 10240, 12752, 15872, 15940, 19840, 20480, 24707, 25504, 31744, 31880, 39680, 40960, 49414, 51008, 63488, 63760, 79360, 98828, 102016, 123535, 126976, 127520, 158720, 197656, 204032, 247070, 253952, 255040, 317440, 395312, 408064, 494140, 510080, 634880, 790624, 816128, 988280, 1020160, 1269760, 1581248, 1632256, 1976560, 2040320, 3162496, 3264512, 3953120, 4080640, 6324992, 6529024, 7906240, 8161280, 12649984, 15812480, 16322560, 25299968, 31624960, 32645120, 50599936, 63249920, 101199872, 126499840, 202399744, 252999680, 505999360, 1011998720]

約数ペア:

[(1, 1011998720), (2, 505999360), (4, 252999680), (5, 202399744), (8, 126499840), (10, 101199872), (16, 63249920), (20, 50599936), (31, 32645120), (32, 31624960), (40, 25299968), (62, 16322560), (64, 15812480), (80, 12649984), (124, 8161280), (128, 7906240), (155, 6529024), (160, 6324992), (248, 4080640), (256, 3953120), (310, 3264512), (320, 3162496), (496, 2040320), (512, 1976560), (620, 1632256), (640, 1581248), (797, 1269760), (992, 1020160), (1024, 988280), (1240, 816128), (1280, 790624), (1594, 634880), (1984, 510080), (2048, 494140), (2480, 408064), (2560, 395312), (3188, 317440), (3968, 255040), (3985, 253952), (4096, 247070), (4960, 204032), (5120, 197656), (6376, 158720), (7936, 127520), (7970, 126976), (8192, 123535), (9920, 102016), (10240, 98828), (12752, 79360), (15872, 63760), (15940, 63488), (19840, 51008), (20480, 49414), (24707, 40960), (25504, 39680), (31744, 31880)]