13489843120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{71663}}^1$

素因数の和:71870

約数の個数: 80

約数和(自身を含む): 33963576192

約数和(自身を除く): 20473733072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 520, 724, 905, 1040, 1448, 1810, 2353, 2896, 3620, 4706, 7240, 9412, 11765, 14480, 18824, 23530, 37648, 47060, 71663, 94120, 143326, 188240, 286652, 358315, 573304, 716630, 931619, 1146608, 1433260, 1863238, 2866520, 3726476, 4658095, 5733040, 7452952, 9316190, 12971003, 14905904, 18632380, 25942006, 37264760, 51884012, 64855015, 74529520, 103768024, 129710030, 168623039, 207536048, 259420060, 337246078, 518840120, 674492156, 843115195, 1037680240, 1348984312, 1686230390, 2697968624, 3372460780, 6744921560, 13489843120]

約数ペア:

[(1, 13489843120), (2, 6744921560), (4, 3372460780), (5, 2697968624), (8, 1686230390), (10, 1348984312), (13, 1037680240), (16, 843115195), (20, 674492156), (26, 518840120), (40, 337246078), (52, 259420060), (65, 207536048), (80, 168623039), (104, 129710030), (130, 103768024), (181, 74529520), (208, 64855015), (260, 51884012), (362, 37264760), (520, 25942006), (724, 18632380), (905, 14905904), (1040, 12971003), (1448, 9316190), (1810, 7452952), (2353, 5733040), (2896, 4658095), (3620, 3726476), (4706, 2866520), (7240, 1863238), (9412, 1433260), (11765, 1146608), (14480, 931619), (18824, 716630), (23530, 573304), (37648, 358315), (47060, 286652), (71663, 188240), (94120, 143326)]