53639420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 120839040

約数和(自身を除く): 67199620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 1997, 2686, 3994, 5372, 6715, 7988, 9985, 13430, 19970, 26860, 33949, 39940, 67898, 135796, 157763, 169745, 315526, 339490, 631052, 678980, 788815, 1577630, 2681971, 3155260, 5363942, 10727884, 13409855, 26819710, 53639420]

約数ペア:

[(1, 53639420), (2, 26819710), (4, 13409855), (5, 10727884), (10, 5363942), (17, 3155260), (20, 2681971), (34, 1577630), (68, 788815), (79, 678980), (85, 631052), (158, 339490), (170, 315526), (316, 169745), (340, 157763), (395, 135796), (790, 67898), (1343, 39940), (1580, 33949), (1997, 26860), (2686, 19970), (3994, 13430), (5372, 9985), (6715, 7988)]