7137852020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{209567}}^1$

素因数の和:209720

約数の個数: 48

約数和(自身を含む): 16265829888

約数和(自身を除く): 9127977868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 34060, 209567, 419134, 838268, 1047835, 2095670, 2724371, 4191340, 5448742, 10897484, 13621855, 27243710, 27453277, 54487420, 54906554, 109813108, 137266385, 274532770, 356892601, 549065540, 713785202, 1427570404, 1784463005, 3568926010, 7137852020]

約数ペア:

[(1, 7137852020), (2, 3568926010), (4, 1784463005), (5, 1427570404), (10, 713785202), (13, 549065540), (20, 356892601), (26, 274532770), (52, 137266385), (65, 109813108), (130, 54906554), (131, 54487420), (260, 27453277), (262, 27243710), (524, 13621855), (655, 10897484), (1310, 5448742), (1703, 4191340), (2620, 2724371), (3406, 2095670), (6812, 1047835), (8515, 838268), (17030, 419134), (34060, 209567)]