9979580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 22819104

約数和(自身を除く): 12839524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 293, 524, 586, 655, 1172, 1310, 1465, 1703, 2620, 2930, 3406, 3809, 5860, 6812, 7618, 8515, 15236, 17030, 19045, 34060, 38090, 38383, 76180, 76766, 153532, 191915, 383830, 498979, 767660, 997958, 1995916, 2494895, 4989790, 9979580]

約数ペア:

[(1, 9979580), (2, 4989790), (4, 2494895), (5, 1995916), (10, 997958), (13, 767660), (20, 498979), (26, 383830), (52, 191915), (65, 153532), (130, 76766), (131, 76180), (260, 38383), (262, 38090), (293, 34060), (524, 19045), (586, 17030), (655, 15236), (1172, 8515), (1310, 7618), (1465, 6812), (1703, 5860), (2620, 3809), (2930, 3406)]