1313313040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{5563}}^1$

素因数の和:5816

約数の個数: 80

約数和(自身を含む): 3303413568

約数和(自身を除く): 1990100528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 454, 520, 908, 1040, 1135, 1816, 2270, 2951, 3632, 4540, 5563, 5902, 9080, 11126, 11804, 14755, 18160, 22252, 23608, 27815, 29510, 44504, 47216, 55630, 59020, 72319, 89008, 111260, 118040, 144638, 222520, 236080, 289276, 361595, 445040, 578552, 723190, 1157104, 1262801, 1446380, 2525602, 2892760, 5051204, 5785520, 6314005, 10102408, 12628010, 16416413, 20204816, 25256020, 32832826, 50512040, 65665652, 82082065, 101024080, 131331304, 164164130, 262662608, 328328260, 656656520, 1313313040]

約数ペア:

[(1, 1313313040), (2, 656656520), (4, 328328260), (5, 262662608), (8, 164164130), (10, 131331304), (13, 101024080), (16, 82082065), (20, 65665652), (26, 50512040), (40, 32832826), (52, 25256020), (65, 20204816), (80, 16416413), (104, 12628010), (130, 10102408), (208, 6314005), (227, 5785520), (260, 5051204), (454, 2892760), (520, 2525602), (908, 1446380), (1040, 1262801), (1135, 1157104), (1816, 723190), (2270, 578552), (2951, 445040), (3632, 361595), (4540, 289276), (5563, 236080), (5902, 222520), (9080, 144638), (11126, 118040), (11804, 111260), (14755, 89008), (18160, 72319), (22252, 59020), (23608, 55630), (27815, 47216), (29510, 44504)]