121891120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117203}}^1$

素因数の和:117229

約数の個数: 40

約数和(自身を含む): 305199216

約数和(自身を除く): 183308096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 117203, 234406, 468812, 586015, 937624, 1172030, 1523639, 1875248, 2344060, 3047278, 4688120, 6094556, 7618195, 9376240, 12189112, 15236390, 24378224, 30472780, 60945560, 121891120]

約数ペア:

[(1, 121891120), (2, 60945560), (4, 30472780), (5, 24378224), (8, 15236390), (10, 12189112), (13, 9376240), (16, 7618195), (20, 6094556), (26, 4688120), (40, 3047278), (52, 2344060), (65, 1875248), (80, 1523639), (104, 1172030), (130, 937624), (208, 586015), (260, 468812), (520, 234406), (1040, 117203)]