8417546540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{135461}}^1$

素因数の和:135722

約数の個数: 48

約数和(自身を含む): 19116397440

約数和(自身を除く): 10698850900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3107, 4780, 6214, 12428, 15535, 31070, 62140, 135461, 270922, 541844, 677305, 1354610, 1760993, 2709220, 3521986, 7043972, 8804965, 17609930, 32375179, 35219860, 64750358, 129500716, 161875895, 323751790, 420877327, 647503580, 841754654, 1683509308, 2104386635, 4208773270, 8417546540]

約数ペア:

[(1, 8417546540), (2, 4208773270), (4, 2104386635), (5, 1683509308), (10, 841754654), (13, 647503580), (20, 420877327), (26, 323751790), (52, 161875895), (65, 129500716), (130, 64750358), (239, 35219860), (260, 32375179), (478, 17609930), (956, 8804965), (1195, 7043972), (2390, 3521986), (3107, 2709220), (4780, 1760993), (6214, 1354610), (12428, 677305), (15535, 541844), (31070, 270922), (62140, 135461)]