168916280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324839}}^1$

素因数の和:324863

約数の個数: 32

約数和(自身を含む): 409298400

約数和(自身を除く): 240382120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 324839, 649678, 1299356, 1624195, 2598712, 3248390, 4222907, 6496780, 8445814, 12993560, 16891628, 21114535, 33783256, 42229070, 84458140, 168916280]

約数ペア:

[(1, 168916280), (2, 84458140), (4, 42229070), (5, 33783256), (8, 21114535), (10, 16891628), (13, 12993560), (20, 8445814), (26, 6496780), (40, 4222907), (52, 3248390), (65, 2598712), (104, 1624195), (130, 1299356), (260, 649678), (520, 324839)]