40059220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 89107200

約数和(自身を除く): 49047980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 389, 542, 778, 1084, 1355, 1556, 1945, 2710, 3890, 5149, 5420, 7391, 7780, 10298, 14782, 20596, 25745, 29564, 36955, 51490, 73910, 102980, 105419, 147820, 210838, 421676, 527095, 1054190, 2002961, 2108380, 4005922, 8011844, 10014805, 20029610, 40059220]

約数ペア:

[(1, 40059220), (2, 20029610), (4, 10014805), (5, 8011844), (10, 4005922), (19, 2108380), (20, 2002961), (38, 1054190), (76, 527095), (95, 421676), (190, 210838), (271, 147820), (380, 105419), (389, 102980), (542, 73910), (778, 51490), (1084, 36955), (1355, 29564), (1556, 25745), (1945, 20596), (2710, 14782), (3890, 10298), (5149, 7780), (5420, 7391)]