64283180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 145969824

約数和(自身を除く): 81686644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 433, 571, 866, 1142, 1732, 2165, 2284, 2855, 4330, 5629, 5710, 7423, 8660, 11258, 11420, 14846, 22516, 28145, 29692, 37115, 56290, 74230, 112580, 148460, 247243, 494486, 988972, 1236215, 2472430, 3214159, 4944860, 6428318, 12856636, 16070795, 32141590, 64283180]

約数ペア:

[(1, 64283180), (2, 32141590), (4, 16070795), (5, 12856636), (10, 6428318), (13, 4944860), (20, 3214159), (26, 2472430), (52, 1236215), (65, 988972), (130, 494486), (260, 247243), (433, 148460), (571, 112580), (866, 74230), (1142, 56290), (1732, 37115), (2165, 29692), (2284, 28145), (2855, 22516), (4330, 14846), (5629, 11420), (5710, 11258), (7423, 8660)]