78725120

素因数分解:

$2^{14}\times 5^1\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 90

約数和(自身を含む): 195225786

約数和(自身を除く): 116500666

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, 961, 992, 1024, 1240, 1280, 1922, 1984, 2048, 2480, 2560, 3844, 3968, 4096, 4805, 4960, 5120, 7688, 7936, 8192, 9610, 9920, 10240, 15376, 15872, 16384, 19220, 19840, 20480, 30752, 31744, 38440, 39680, 40960, 61504, 63488, 76880, 79360, 81920, 123008, 126976, 153760, 158720, 246016, 253952, 307520, 317440, 492032, 507904, 615040, 634880, 984064, 1230080, 1269760, 1968128, 2460160, 2539520, 3936256, 4920320, 7872512, 9840640, 15745024, 19681280, 39362560, 78725120]

約数ペア:

[(1, 78725120), (2, 39362560), (4, 19681280), (5, 15745024), (8, 9840640), (10, 7872512), (16, 4920320), (20, 3936256), (31, 2539520), (32, 2460160), (40, 1968128), (62, 1269760), (64, 1230080), (80, 984064), (124, 634880), (128, 615040), (155, 507904), (160, 492032), (248, 317440), (256, 307520), (310, 253952), (320, 246016), (496, 158720), (512, 153760), (620, 126976), (640, 123008), (961, 81920), (992, 79360), (1024, 76880), (1240, 63488), (1280, 61504), (1922, 40960), (1984, 39680), (2048, 38440), (2480, 31744), (2560, 30752), (3844, 20480), (3968, 19840), (4096, 19220), (4805, 16384), (4960, 15872), (5120, 15376), (7688, 10240), (7936, 9920), (8192, 9610)]