26301470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 52176960

約数和(自身を除く): 25875490

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 197, 338, 394, 395, 790, 845, 985, 1027, 1690, 1970, 2054, 2561, 5122, 5135, 10270, 12805, 13351, 15563, 25610, 26702, 31126, 33293, 66586, 66755, 77815, 133510, 155630, 166465, 202319, 332930, 404638, 1011595, 2023190, 2630147, 5260294, 13150735, 26301470]

約数ペア:

[(1, 26301470), (2, 13150735), (5, 5260294), (10, 2630147), (13, 2023190), (26, 1011595), (65, 404638), (79, 332930), (130, 202319), (158, 166465), (169, 155630), (197, 133510), (338, 77815), (394, 66755), (395, 66586), (790, 33293), (845, 31126), (985, 26702), (1027, 25610), (1690, 15563), (1970, 13351), (2054, 12805), (2561, 10270), (5122, 5135)]