417976780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607603}}^1$

素因数の和:1607625

約数の個数: 24

約数和(自身を含む): 945271152

約数和(自身を除く): 527294372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1607603, 3215206, 6430412, 8038015, 16076030, 20898839, 32152060, 41797678, 83595356, 104494195, 208988390, 417976780]

約数ペア:

[(1, 417976780), (2, 208988390), (4, 104494195), (5, 83595356), (10, 41797678), (13, 32152060), (20, 20898839), (26, 16076030), (52, 8038015), (65, 6430412), (130, 3215206), (260, 1607603)]