158243840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1053

約数の個数: 88

約数和(自身を含む): 392237952

約数和(自身を除く): 233994112

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, 997, 1024, 1240, 1280, 1984, 1994, 2480, 2560, 3968, 3988, 4960, 4985, 5120, 7936, 7976, 9920, 9970, 15872, 15952, 19840, 19940, 30907, 31744, 31904, 39680, 39880, 61814, 63808, 79360, 79760, 123628, 127616, 154535, 158720, 159520, 247256, 255232, 309070, 319040, 494512, 510464, 618140, 638080, 989024, 1020928, 1236280, 1276160, 1978048, 2472560, 2552320, 3956096, 4945120, 5104640, 7912192, 9890240, 15824384, 19780480, 31648768, 39560960, 79121920, 158243840]

約数ペア:

[(1, 158243840), (2, 79121920), (4, 39560960), (5, 31648768), (8, 19780480), (10, 15824384), (16, 9890240), (20, 7912192), (31, 5104640), (32, 4945120), (40, 3956096), (62, 2552320), (64, 2472560), (80, 1978048), (124, 1276160), (128, 1236280), (155, 1020928), (160, 989024), (248, 638080), (256, 618140), (310, 510464), (320, 494512), (496, 319040), (512, 309070), (620, 255232), (640, 247256), (992, 159520), (997, 158720), (1024, 154535), (1240, 127616), (1280, 123628), (1984, 79760), (1994, 79360), (2480, 63808), (2560, 61814), (3968, 39880), (3988, 39680), (4960, 31904), (4985, 31744), (5120, 30907), (7936, 19940), (7976, 19840), (9920, 15952), (9970, 15872)]