39560960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 97915776

約数和(自身を除く): 58354816

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, 620, 640, 992, 997, 1240, 1280, 1984, 1994, 2480, 3968, 3988, 4960, 4985, 7936, 7976, 9920, 9970, 15952, 19840, 19940, 30907, 31904, 39680, 39880, 61814, 63808, 79760, 123628, 127616, 154535, 159520, 247256, 255232, 309070, 319040, 494512, 618140, 638080, 989024, 1236280, 1276160, 1978048, 2472560, 3956096, 4945120, 7912192, 9890240, 19780480, 39560960]

約数ペア:

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