812052020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1977

約数の個数: 96

約数和(自身を含む): 1955923200

約数和(自身を除く): 1143871180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 190, 247, 260, 356, 380, 445, 494, 890, 988, 1157, 1235, 1691, 1780, 1847, 2314, 2470, 3382, 3694, 4628, 4940, 5785, 6764, 7388, 8455, 9235, 11570, 16910, 18470, 21983, 23140, 24011, 33820, 35093, 36940, 43966, 48022, 70186, 87932, 96044, 109915, 120055, 140372, 164383, 175465, 219830, 240110, 328766, 350930, 439660, 456209, 480220, 657532, 701860, 821915, 912418, 1643830, 1824836, 2136979, 2281045, 3123277, 3287660, 4273958, 4562090, 6246554, 8547916, 9124180, 10684895, 12493108, 15616385, 21369790, 31232770, 40602601, 42739580, 62465540, 81205202, 162410404, 203013005, 406026010, 812052020]

約数ペア:

[(1, 812052020), (2, 406026010), (4, 203013005), (5, 162410404), (10, 81205202), (13, 62465540), (19, 42739580), (20, 40602601), (26, 31232770), (38, 21369790), (52, 15616385), (65, 12493108), (76, 10684895), (89, 9124180), (95, 8547916), (130, 6246554), (178, 4562090), (190, 4273958), (247, 3287660), (260, 3123277), (356, 2281045), (380, 2136979), (445, 1824836), (494, 1643830), (890, 912418), (988, 821915), (1157, 701860), (1235, 657532), (1691, 480220), (1780, 456209), (1847, 439660), (2314, 350930), (2470, 328766), (3382, 240110), (3694, 219830), (4628, 175465), (4940, 164383), (5785, 140372), (6764, 120055), (7388, 109915), (8455, 96044), (9235, 87932), (11570, 70186), (16910, 48022), (18470, 43966), (21983, 36940), (23140, 35093), (24011, 33820)]