78138560

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4003}}^1$

素因数の和:4081

約数の個数: 56

約数和(自身を含む): 189164976

約数和(自身を除く): 111026416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4003, 4880, 8006, 9760, 16012, 19520, 20015, 32024, 40030, 64048, 80060, 128096, 160120, 244183, 256192, 320240, 488366, 640480, 976732, 1220915, 1280960, 1953464, 2441830, 3906928, 4883660, 7813856, 9767320, 15627712, 19534640, 39069280, 78138560]

約数ペア:

[(1, 78138560), (2, 39069280), (4, 19534640), (5, 15627712), (8, 9767320), (10, 7813856), (16, 4883660), (20, 3906928), (32, 2441830), (40, 1953464), (61, 1280960), (64, 1220915), (80, 976732), (122, 640480), (160, 488366), (244, 320240), (305, 256192), (320, 244183), (488, 160120), (610, 128096), (976, 80060), (1220, 64048), (1952, 40030), (2440, 32024), (3904, 20015), (4003, 19520), (4880, 16012), (8006, 9760)]