81114380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 176631840

約数和(自身を除く): 95517460

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 530, 590, 1060, 1180, 1297, 2594, 3127, 5188, 6254, 6485, 12508, 12970, 15635, 25940, 31270, 62540, 68741, 76523, 137482, 153046, 274964, 306092, 343705, 382615, 687410, 765230, 1374820, 1530460, 4055719, 8111438, 16222876, 20278595, 40557190, 81114380]

約数ペア:

[(1, 81114380), (2, 40557190), (4, 20278595), (5, 16222876), (10, 8111438), (20, 4055719), (53, 1530460), (59, 1374820), (106, 765230), (118, 687410), (212, 382615), (236, 343705), (265, 306092), (295, 274964), (530, 153046), (590, 137482), (1060, 76523), (1180, 68741), (1297, 62540), (2594, 31270), (3127, 25940), (5188, 15635), (6254, 12970), (6485, 12508)]