15728028620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{196159}}^1$

素因数の和:196398

約数の個数: 48

約数和(自身を含む): 34932172800

約数和(自身を除く): 19204144180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 2110, 4009, 4220, 8018, 16036, 20045, 40090, 80180, 196159, 392318, 784636, 980795, 1961590, 3727021, 3923180, 7454042, 14908084, 18635105, 37270210, 41389549, 74540420, 82779098, 165558196, 206947745, 413895490, 786401431, 827790980, 1572802862, 3145605724, 3932007155, 7864014310, 15728028620]

約数ペア:

[(1, 15728028620), (2, 7864014310), (4, 3932007155), (5, 3145605724), (10, 1572802862), (19, 827790980), (20, 786401431), (38, 413895490), (76, 206947745), (95, 165558196), (190, 82779098), (211, 74540420), (380, 41389549), (422, 37270210), (844, 18635105), (1055, 14908084), (2110, 7454042), (4009, 3923180), (4220, 3727021), (8018, 1961590), (16036, 980795), (20045, 784636), (40090, 392318), (80180, 196159)]