30810280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24847}}^1$

素因数の和:24889

約数の個数: 32

約数和(自身を含む): 71562240

約数和(自身を除く): 40751960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24847, 49694, 99388, 124235, 198776, 248470, 496940, 770257, 993880, 1540514, 3081028, 3851285, 6162056, 7702570, 15405140, 30810280]

約数ペア:

[(1, 30810280), (2, 15405140), (4, 7702570), (5, 6162056), (8, 3851285), (10, 3081028), (20, 1540514), (31, 993880), (40, 770257), (62, 496940), (124, 248470), (155, 198776), (248, 124235), (310, 99388), (620, 49694), (1240, 24847)]