79741720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48623}}^1$

素因数の和:48675

約数の個数: 32

約数和(自身を含む): 183798720

約数和(自身を除く): 104057000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48623, 97246, 194492, 243115, 388984, 486230, 972460, 1944920, 1993543, 3987086, 7974172, 9967715, 15948344, 19935430, 39870860, 79741720]

約数ペア:

[(1, 79741720), (2, 39870860), (4, 19935430), (5, 15948344), (8, 9967715), (10, 7974172), (20, 3987086), (40, 1993543), (41, 1944920), (82, 972460), (164, 486230), (205, 388984), (328, 243115), (410, 194492), (820, 97246), (1640, 48623)]