7907120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7629

約数の個数: 40

約数和(自身を含む): 19800816

約数和(自身を除く): 11893696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7603, 15206, 30412, 38015, 60824, 76030, 98839, 121648, 152060, 197678, 304120, 395356, 494195, 608240, 790712, 988390, 1581424, 1976780, 3953560, 7907120]

約数ペア:

[(1, 7907120), (2, 3953560), (4, 1976780), (5, 1581424), (8, 988390), (10, 790712), (13, 608240), (16, 494195), (20, 395356), (26, 304120), (40, 197678), (52, 152060), (65, 121648), (80, 98839), (104, 76030), (130, 60824), (208, 38015), (260, 30412), (520, 15206), (1040, 7603)]