839605000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{12917}}^1$

素因数の和:12956

約数の個数: 80

約数和(自身を含む): 2118681180

約数和(自身を除く): 1279076180

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1625, 2500, 2600, 3250, 5000, 6500, 8125, 12917, 13000, 16250, 25834, 32500, 51668, 64585, 65000, 103336, 129170, 167921, 258340, 322925, 335842, 516680, 645850, 671684, 839605, 1291700, 1343368, 1614625, 1679210, 2583400, 3229250, 3358420, 4198025, 6458500, 6716840, 8073125, 8396050, 12917000, 16146250, 16792100, 20990125, 32292500, 33584200, 41980250, 64585000, 83960500, 104950625, 167921000, 209901250, 419802500, 839605000]

約数ペア:

[(1, 839605000), (2, 419802500), (4, 209901250), (5, 167921000), (8, 104950625), (10, 83960500), (13, 64585000), (20, 41980250), (25, 33584200), (26, 32292500), (40, 20990125), (50, 16792100), (52, 16146250), (65, 12917000), (100, 8396050), (104, 8073125), (125, 6716840), (130, 6458500), (200, 4198025), (250, 3358420), (260, 3229250), (325, 2583400), (500, 1679210), (520, 1614625), (625, 1343368), (650, 1291700), (1000, 839605), (1250, 671684), (1300, 645850), (1625, 516680), (2500, 335842), (2600, 322925), (3250, 258340), (5000, 167921), (6500, 129170), (8125, 103336), (12917, 65000), (13000, 64585), (16250, 51668), (25834, 32500)]