27173420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 61501440

約数和(自身を除く): 34328020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 1663, 3268, 3326, 4085, 6652, 8170, 8315, 16340, 16630, 31597, 33260, 63194, 71509, 126388, 143018, 157985, 286036, 315970, 357545, 631940, 715090, 1358671, 1430180, 2717342, 5434684, 6793355, 13586710, 27173420]

約数ペア:

[(1, 27173420), (2, 13586710), (4, 6793355), (5, 5434684), (10, 2717342), (19, 1430180), (20, 1358671), (38, 715090), (43, 631940), (76, 357545), (86, 315970), (95, 286036), (172, 157985), (190, 143018), (215, 126388), (380, 71509), (430, 63194), (817, 33260), (860, 31597), (1634, 16630), (1663, 16340), (3268, 8315), (3326, 8170), (4085, 6652)]