72012008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 140448000

約数和(自身を除く): 68435992

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 1112, 2089, 4178, 4309, 8356, 8618, 16712, 17236, 34472, 64759, 129518, 259036, 290371, 518072, 580742, 1161484, 2322968, 9001501, 18003002, 36006004, 72012008]

約数ペア:

[(1, 72012008), (2, 36006004), (4, 18003002), (8, 9001501), (31, 2322968), (62, 1161484), (124, 580742), (139, 518072), (248, 290371), (278, 259036), (556, 129518), (1112, 64759), (2089, 34472), (4178, 17236), (4309, 16712), (8356, 8618)]