72519080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13043}}^1$

素因数の和:13193

約数の個数: 32

約数和(自身を含む): 164354400

約数和(自身を除く): 91835320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13043, 26086, 52172, 65215, 104344, 130430, 260860, 521720, 1812977, 3625954, 7251908, 9064885, 14503816, 18129770, 36259540, 72519080]

約数ペア:

[(1, 72519080), (2, 36259540), (4, 18129770), (5, 14503816), (8, 9064885), (10, 7251908), (20, 3625954), (40, 1812977), (139, 521720), (278, 260860), (556, 130430), (695, 104344), (1112, 65215), (1390, 52172), (2780, 26086), (5560, 13043)]