409209580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{15583}}^1$

素因数の和:15706

約数の個数: 48

約数和(自身を含む): 934665984

約数和(自身を除く): 525456404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 15583, 26260, 31166, 62332, 77915, 155830, 202579, 311660, 405158, 810316, 1012895, 1573883, 2025790, 3147766, 4051580, 6295532, 7869415, 15738830, 20460479, 31477660, 40920958, 81841916, 102302395, 204604790, 409209580]

約数ペア:

[(1, 409209580), (2, 204604790), (4, 102302395), (5, 81841916), (10, 40920958), (13, 31477660), (20, 20460479), (26, 15738830), (52, 7869415), (65, 6295532), (101, 4051580), (130, 3147766), (202, 2025790), (260, 1573883), (404, 1012895), (505, 810316), (1010, 405158), (1313, 311660), (2020, 202579), (2626, 155830), (5252, 77915), (6565, 62332), (13130, 31166), (15583, 26260)]