78826809940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1\times {\mathrm{105437}}^1$

素因数の和:106764

約数の個数: 48

約数和(自身を含む): 171378925200

約数和(自身を除く): 92552115260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1289, 2578, 5156, 6445, 12890, 25780, 37381, 74762, 105437, 149524, 186905, 210874, 373810, 421748, 527185, 747620, 1054370, 2108740, 3057673, 6115346, 12230692, 15288365, 30576730, 61153460, 135908293, 271816586, 543633172, 679541465, 1359082930, 2718165860, 3941340497, 7882680994, 15765361988, 19706702485, 39413404970, 78826809940]

約数ペア:

[(1, 78826809940), (2, 39413404970), (4, 19706702485), (5, 15765361988), (10, 7882680994), (20, 3941340497), (29, 2718165860), (58, 1359082930), (116, 679541465), (145, 543633172), (290, 271816586), (580, 135908293), (1289, 61153460), (2578, 30576730), (5156, 15288365), (6445, 12230692), (12890, 6115346), (25780, 3057673), (37381, 2108740), (74762, 1054370), (105437, 747620), (149524, 527185), (186905, 421748), (210874, 373810)]