201994718560

素因数分解:

$2^5\times 5^1\times {\mathrm{20639}}^1\times {\mathrm{61169}}^1$

素因数の和:81823

約数の個数: 48

約数和(自身を含む): 477243446400

約数和(自身を除く): 275248727840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 20639, 41278, 61169, 82556, 103195, 122338, 165112, 206390, 244676, 305845, 330224, 412780, 489352, 611690, 660448, 825560, 978704, 1223380, 1651120, 1957408, 2446760, 3302240, 4893520, 9787040, 1262466991, 2524933982, 5049867964, 6312334955, 10099735928, 12624669910, 20199471856, 25249339820, 40398943712, 50498679640, 100997359280, 201994718560]

約数ペア:

[(1, 201994718560), (2, 100997359280), (4, 50498679640), (5, 40398943712), (8, 25249339820), (10, 20199471856), (16, 12624669910), (20, 10099735928), (32, 6312334955), (40, 5049867964), (80, 2524933982), (160, 1262466991), (20639, 9787040), (41278, 4893520), (61169, 3302240), (82556, 2446760), (103195, 1957408), (122338, 1651120), (165112, 1223380), (206390, 978704), (244676, 825560), (305845, 660448), (330224, 611690), (412780, 489352)]