205103088145

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{787}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 255925543104

約数和(自身を除く): 50822454959

約数列:

[1, 5, 41, 101, 205, 307, 505, 787, 1535, 1681, 3935, 4141, 8405, 12587, 20705, 31007, 32267, 62935, 79487, 155035, 161335, 169781, 241609, 397435, 516067, 848905, 1208045, 1271287, 1322947, 2580335, 3258967, 6356435, 6614735, 9905969, 16294835, 24402509, 49529845, 52122767, 122012545, 133617647, 260613835, 406144729, 668088235, 1000502869, 2030723645, 5002514345, 41020617629, 205103088145]

約数ペア:

[(1, 205103088145), (5, 41020617629), (41, 5002514345), (101, 2030723645), (205, 1000502869), (307, 668088235), (505, 406144729), (787, 260613835), (1535, 133617647), (1681, 122012545), (3935, 52122767), (4141, 49529845), (8405, 24402509), (12587, 16294835), (20705, 9905969), (31007, 6614735), (32267, 6356435), (62935, 3258967), (79487, 2580335), (155035, 1322947), (161335, 1271287), (169781, 1208045), (241609, 848905), (397435, 516067)]