5164324100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{128147}}^1$

素因数の和:128205

約数の個数: 72

約数和(自身を含む): 12458035968

約数和(自身を除く): 7293711868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 10075, 20150, 40300, 128147, 256294, 512588, 640735, 1281470, 1665911, 2562940, 3203675, 3331822, 3972557, 6407350, 6663644, 7945114, 8329555, 12814700, 15890228, 16659110, 19862785, 33318220, 39725570, 41647775, 51643241, 79451140, 83295550, 99313925, 103286482, 166591100, 198627850, 206572964, 258216205, 397255700, 516432410, 1032864820, 1291081025, 2582162050, 5164324100]

約数ペア:

[(1, 5164324100), (2, 2582162050), (4, 1291081025), (5, 1032864820), (10, 516432410), (13, 397255700), (20, 258216205), (25, 206572964), (26, 198627850), (31, 166591100), (50, 103286482), (52, 99313925), (62, 83295550), (65, 79451140), (100, 51643241), (124, 41647775), (130, 39725570), (155, 33318220), (260, 19862785), (310, 16659110), (325, 15890228), (403, 12814700), (620, 8329555), (650, 7945114), (775, 6663644), (806, 6407350), (1300, 3972557), (1550, 3331822), (1612, 3203675), (2015, 2562940), (3100, 1665911), (4030, 1281470), (8060, 640735), (10075, 512588), (20150, 256294), (40300, 128147)]