20125086140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{790459}}^1$

素因数の和:790554

約数の個数: 48

約数和(自身を含む): 45151075200

約数和(自身を除く): 25025989060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 12730, 25460, 790459, 1580918, 3161836, 3952295, 7904590, 15018721, 15809180, 30037442, 52960753, 60074884, 75093605, 105921506, 150187210, 211843012, 264803765, 300374420, 529607530, 1006254307, 1059215060, 2012508614, 4025017228, 5031271535, 10062543070, 20125086140]

約数ペア:

[(1, 20125086140), (2, 10062543070), (4, 5031271535), (5, 4025017228), (10, 2012508614), (19, 1059215060), (20, 1006254307), (38, 529607530), (67, 300374420), (76, 264803765), (95, 211843012), (134, 150187210), (190, 105921506), (268, 75093605), (335, 60074884), (380, 52960753), (670, 30037442), (1273, 15809180), (1340, 15018721), (2546, 7904590), (5092, 3952295), (6365, 3161836), (12730, 1580918), (25460, 790459)]