161634160

素因数分解:

$2^4\times 5^1\times {\mathrm{599}}^1\times {\mathrm{3373}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 376538400

約数和(自身を除く): 214904240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 599, 1198, 2396, 2995, 3373, 4792, 5990, 6746, 9584, 11980, 13492, 16865, 23960, 26984, 33730, 47920, 53968, 67460, 134920, 269840, 2020427, 4040854, 8081708, 10102135, 16163416, 20204270, 32326832, 40408540, 80817080, 161634160]

約数ペア:

[(1, 161634160), (2, 80817080), (4, 40408540), (5, 32326832), (8, 20204270), (10, 16163416), (16, 10102135), (20, 8081708), (40, 4040854), (80, 2020427), (599, 269840), (1198, 134920), (2396, 67460), (2995, 53968), (3373, 47920), (4792, 33730), (5990, 26984), (6746, 23960), (9584, 16865), (11980, 13492)]