20131861900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2347}}^1\times {\mathrm{2767}}^1$

素因数の和:5159

約数の個数: 72

約数和(自身を含む): 45130889216

約数和(自身を除く): 24999027316

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 2347, 2767, 3100, 4694, 5534, 9388, 11068, 11735, 13835, 23470, 27670, 46940, 55340, 58675, 69175, 72757, 85777, 117350, 138350, 145514, 171554, 234700, 276700, 291028, 343108, 363785, 428885, 727570, 857770, 1455140, 1715540, 1818925, 2144425, 3637850, 4288850, 6494149, 7275700, 8577700, 12988298, 25976596, 32470745, 64941490, 129882980, 162353725, 201318619, 324707450, 402637238, 649414900, 805274476, 1006593095, 2013186190, 4026372380, 5032965475, 10065930950, 20131861900]

約数ペア:

[(1, 20131861900), (2, 10065930950), (4, 5032965475), (5, 4026372380), (10, 2013186190), (20, 1006593095), (25, 805274476), (31, 649414900), (50, 402637238), (62, 324707450), (100, 201318619), (124, 162353725), (155, 129882980), (310, 64941490), (620, 32470745), (775, 25976596), (1550, 12988298), (2347, 8577700), (2767, 7275700), (3100, 6494149), (4694, 4288850), (5534, 3637850), (9388, 2144425), (11068, 1818925), (11735, 1715540), (13835, 1455140), (23470, 857770), (27670, 727570), (46940, 428885), (55340, 363785), (58675, 343108), (69175, 291028), (72757, 276700), (85777, 234700), (117350, 171554), (138350, 145514)]