67821440

素因数分解:

$2^7\times 5^1\times {\mathrm{105971}}^1$

素因数の和:105990

約数の個数: 32

約数和(自身を含む): 162137160

約数和(自身を除く): 94315720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 105971, 211942, 423884, 529855, 847768, 1059710, 1695536, 2119420, 3391072, 4238840, 6782144, 8477680, 13564288, 16955360, 33910720, 67821440]

約数ペア:

[(1, 67821440), (2, 33910720), (4, 16955360), (5, 13564288), (8, 8477680), (10, 6782144), (16, 4238840), (20, 3391072), (32, 2119420), (40, 1695536), (64, 1059710), (80, 847768), (128, 529855), (160, 423884), (320, 211942), (640, 105971)]