139080280

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{6427}}^1$

素因数の和:6979

約数の個数: 32

約数和(自身を含む): 313557840

約数和(自身を除く): 174477560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 6427, 10820, 12854, 21640, 25708, 32135, 51416, 64270, 128540, 257080, 3477007, 6954014, 13908028, 17385035, 27816056, 34770070, 69540140, 139080280]

約数ペア:

[(1, 139080280), (2, 69540140), (4, 34770070), (5, 27816056), (8, 17385035), (10, 13908028), (20, 6954014), (40, 3477007), (541, 257080), (1082, 128540), (2164, 64270), (2705, 51416), (4328, 32135), (5410, 25708), (6427, 21640), (10820, 12854)]