13231140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16963}}^1$

素因数の和:16988

約数の個数: 48

約数和(自身を含む): 39899328

約数和(自身を除く): 26668188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16963, 33926, 50889, 67852, 84815, 101778, 169630, 203556, 220519, 254445, 339260, 441038, 508890, 661557, 882076, 1017780, 1102595, 1323114, 2205190, 2646228, 3307785, 4410380, 6615570, 13231140]

約数ペア:

[(1, 13231140), (2, 6615570), (3, 4410380), (4, 3307785), (5, 2646228), (6, 2205190), (10, 1323114), (12, 1102595), (13, 1017780), (15, 882076), (20, 661557), (26, 508890), (30, 441038), (39, 339260), (52, 254445), (60, 220519), (65, 203556), (78, 169630), (130, 101778), (156, 84815), (195, 67852), (260, 50889), (390, 33926), (780, 16963)]