31325060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 71303232

約数和(自身を除く): 39978172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 571, 844, 1055, 1142, 2110, 2284, 2743, 2855, 4220, 5486, 5710, 7423, 10972, 11420, 13715, 14846, 27430, 29692, 37115, 54860, 74230, 120481, 148460, 240962, 481924, 602405, 1204810, 1566253, 2409620, 3132506, 6265012, 7831265, 15662530, 31325060]

約数ペア:

[(1, 31325060), (2, 15662530), (4, 7831265), (5, 6265012), (10, 3132506), (13, 2409620), (20, 1566253), (26, 1204810), (52, 602405), (65, 481924), (130, 240962), (211, 148460), (260, 120481), (422, 74230), (571, 54860), (844, 37115), (1055, 29692), (1142, 27430), (2110, 14846), (2284, 13715), (2743, 11420), (2855, 10972), (4220, 7423), (5486, 5710)]