80973725

素因数分解:

$5^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 125036640

約数和(自身を除く): 44062915

約数列:

[1, 5, 7, 19, 25, 35, 49, 71, 95, 133, 175, 245, 343, 355, 475, 497, 665, 931, 1225, 1349, 1715, 1775, 2401, 2485, 3325, 3479, 4655, 6517, 6745, 8575, 9443, 12005, 12425, 17395, 23275, 24353, 32585, 33725, 45619, 47215, 60025, 66101, 86975, 121765, 162925, 170471, 228095, 236075, 330505, 462707, 608825, 852355, 1140475, 1652525, 2313535, 3238949, 4261775, 11567675, 16194745, 80973725]

約数ペア:

[(1, 80973725), (5, 16194745), (7, 11567675), (19, 4261775), (25, 3238949), (35, 2313535), (49, 1652525), (71, 1140475), (95, 852355), (133, 608825), (175, 462707), (245, 330505), (343, 236075), (355, 228095), (475, 170471), (497, 162925), (665, 121765), (931, 86975), (1225, 66101), (1349, 60025), (1715, 47215), (1775, 45619), (2401, 33725), (2485, 32585), (3325, 24353), (3479, 23275), (4655, 17395), (6517, 12425), (6745, 12005), (8575, 9443)]