980801293840

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{54977651}}^1$

素因数の和:54977887

約数の個数: 40

約数和(自身を含む): 2290588892928

約数和(自身を除く): 1309787599088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 54977651, 109955302, 219910604, 274888255, 439821208, 549776510, 879642416, 1099553020, 2199106040, 4398212080, 12260016173, 24520032346, 49040064692, 61300080865, 98080129384, 122600161730, 196160258768, 245200323460, 490400646920, 980801293840]

約数ペア:

[(1, 980801293840), (2, 490400646920), (4, 245200323460), (5, 196160258768), (8, 122600161730), (10, 98080129384), (16, 61300080865), (20, 49040064692), (40, 24520032346), (80, 12260016173), (223, 4398212080), (446, 2199106040), (892, 1099553020), (1115, 879642416), (1784, 549776510), (2230, 439821208), (3568, 274888255), (4460, 219910604), (8920, 109955302), (17840, 54977651)]