7671820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 18275040

約数和(自身を除く): 10603220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1553, 2470, 3106, 4940, 6212, 7765, 15530, 20189, 29507, 31060, 40378, 59014, 80756, 100945, 118028, 147535, 201890, 295070, 383591, 403780, 590140, 767182, 1534364, 1917955, 3835910, 7671820]

約数ペア:

[(1, 7671820), (2, 3835910), (4, 1917955), (5, 1534364), (10, 767182), (13, 590140), (19, 403780), (20, 383591), (26, 295070), (38, 201890), (52, 147535), (65, 118028), (76, 100945), (95, 80756), (130, 59014), (190, 40378), (247, 31060), (260, 29507), (380, 20189), (494, 15530), (988, 7765), (1235, 6212), (1553, 4940), (2470, 3106)]