72167440

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4723}}^1$

素因数の和:4927

約数の個数: 40

約数和(自身を含む): 168703488

約数和(自身を除く): 96536048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 4723, 7640, 9446, 15280, 18892, 23615, 37784, 47230, 75568, 94460, 188920, 377840, 902093, 1804186, 3608372, 4510465, 7216744, 9020930, 14433488, 18041860, 36083720, 72167440]

約数ペア:

[(1, 72167440), (2, 36083720), (4, 18041860), (5, 14433488), (8, 9020930), (10, 7216744), (16, 4510465), (20, 3608372), (40, 1804186), (80, 902093), (191, 377840), (382, 188920), (764, 94460), (955, 75568), (1528, 47230), (1910, 37784), (3056, 23615), (3820, 18892), (4723, 15280), (7640, 9446)]