40139020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 90447840

約数和(自身を除く): 50308820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 1993, 2014, 3986, 4028, 5035, 7972, 9965, 10070, 19930, 20140, 37867, 39860, 75734, 105629, 151468, 189335, 211258, 378670, 422516, 528145, 757340, 1056290, 2006951, 2112580, 4013902, 8027804, 10034755, 20069510, 40139020]

約数ペア:

[(1, 40139020), (2, 20069510), (4, 10034755), (5, 8027804), (10, 4013902), (19, 2112580), (20, 2006951), (38, 1056290), (53, 757340), (76, 528145), (95, 422516), (106, 378670), (190, 211258), (212, 189335), (265, 151468), (380, 105629), (530, 75734), (1007, 39860), (1060, 37867), (1993, 20140), (2014, 19930), (3986, 10070), (4028, 9965), (5035, 7972)]