1878432400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{361237}}^1$

素因数の和:361268

約数の個数: 60

約数和(自身を含む): 4860096052

約数和(自身を除く): 2981663652

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 361237, 722474, 1444948, 1806185, 2889896, 3612370, 4696081, 5779792, 7224740, 9030925, 9392162, 14449480, 18061850, 18784324, 23480405, 28898960, 36123700, 37568648, 46960810, 72247400, 75137296, 93921620, 117402025, 144494800, 187843240, 234804050, 375686480, 469608100, 939216200, 1878432400]

約数ペア:

[(1, 1878432400), (2, 939216200), (4, 469608100), (5, 375686480), (8, 234804050), (10, 187843240), (13, 144494800), (16, 117402025), (20, 93921620), (25, 75137296), (26, 72247400), (40, 46960810), (50, 37568648), (52, 36123700), (65, 28898960), (80, 23480405), (100, 18784324), (104, 18061850), (130, 14449480), (200, 9392162), (208, 9030925), (260, 7224740), (325, 5779792), (400, 4696081), (520, 3612370), (650, 2889896), (1040, 1806185), (1300, 1444948), (2600, 722474), (5200, 361237)]