16445780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 38083584

約数和(自身を除く): 21637804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1471, 2236, 2795, 2942, 5590, 5884, 7355, 11180, 14710, 19123, 29420, 38246, 63253, 76492, 95615, 126506, 191230, 253012, 316265, 382460, 632530, 822289, 1265060, 1644578, 3289156, 4111445, 8222890, 16445780]

約数ペア:

[(1, 16445780), (2, 8222890), (4, 4111445), (5, 3289156), (10, 1644578), (13, 1265060), (20, 822289), (26, 632530), (43, 382460), (52, 316265), (65, 253012), (86, 191230), (130, 126506), (172, 95615), (215, 76492), (260, 63253), (430, 38246), (559, 29420), (860, 19123), (1118, 14710), (1471, 11180), (2236, 7355), (2795, 5884), (2942, 5590)]