131444480

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 318226272

約数和(自身を除く): 186781792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 824, 997, 1030, 1280, 1648, 1994, 2060, 3296, 3988, 4120, 4985, 6592, 7976, 8240, 9970, 13184, 15952, 16480, 19940, 26368, 31904, 32960, 39880, 63808, 65920, 79760, 102691, 127616, 131840, 159520, 205382, 255232, 319040, 410764, 513455, 638080, 821528, 1026910, 1276160, 1643056, 2053820, 3286112, 4107640, 6572224, 8215280, 13144448, 16430560, 26288896, 32861120, 65722240, 131444480]

約数ペア:

[(1, 131444480), (2, 65722240), (4, 32861120), (5, 26288896), (8, 16430560), (10, 13144448), (16, 8215280), (20, 6572224), (32, 4107640), (40, 3286112), (64, 2053820), (80, 1643056), (103, 1276160), (128, 1026910), (160, 821528), (206, 638080), (256, 513455), (320, 410764), (412, 319040), (515, 255232), (640, 205382), (824, 159520), (997, 131840), (1030, 127616), (1280, 102691), (1648, 79760), (1994, 65920), (2060, 63808), (3296, 39880), (3988, 32960), (4120, 31904), (4985, 26368), (6592, 19940), (7976, 16480), (8240, 15952), (9970, 13184)]