13880240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15773}}^1$

素因数の和:15797

約数の個数: 40

約数和(自身を含む): 35207568

約数和(自身を除く): 21327328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15773, 31546, 63092, 78865, 126184, 157730, 173503, 252368, 315460, 347006, 630920, 694012, 867515, 1261840, 1388024, 1735030, 2776048, 3470060, 6940120, 13880240]

約数ペア:

[(1, 13880240), (2, 6940120), (4, 3470060), (5, 2776048), (8, 1735030), (10, 1388024), (11, 1261840), (16, 867515), (20, 694012), (22, 630920), (40, 347006), (44, 315460), (55, 252368), (80, 173503), (88, 157730), (110, 126184), (176, 78865), (220, 63092), (440, 31546), (880, 15773)]