72499760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17099}}^1$

素因数の和:17165

約数の個数: 40

約数和(自身を含む): 171752400

約数和(自身を除く): 99252640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 17099, 34198, 68396, 85495, 136792, 170990, 273584, 341980, 683960, 906247, 1367920, 1812494, 3624988, 4531235, 7249976, 9062470, 14499952, 18124940, 36249880, 72499760]

約数ペア:

[(1, 72499760), (2, 36249880), (4, 18124940), (5, 14499952), (8, 9062470), (10, 7249976), (16, 4531235), (20, 3624988), (40, 1812494), (53, 1367920), (80, 906247), (106, 683960), (212, 341980), (265, 273584), (424, 170990), (530, 136792), (848, 85495), (1060, 68396), (2120, 34198), (4240, 17099)]