66434680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 161935200

約数和(自身を除く): 95500520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 509, 520, 1004, 1018, 1255, 2008, 2036, 2510, 2545, 3263, 4072, 5020, 5090, 6526, 6617, 10040, 10180, 13052, 13234, 16315, 20360, 26104, 26468, 32630, 33085, 52936, 65260, 66170, 127759, 130520, 132340, 255518, 264680, 511036, 638795, 1022072, 1277590, 1660867, 2555180, 3321734, 5110360, 6643468, 8304335, 13286936, 16608670, 33217340, 66434680]

約数ペア:

[(1, 66434680), (2, 33217340), (4, 16608670), (5, 13286936), (8, 8304335), (10, 6643468), (13, 5110360), (20, 3321734), (26, 2555180), (40, 1660867), (52, 1277590), (65, 1022072), (104, 638795), (130, 511036), (251, 264680), (260, 255518), (502, 132340), (509, 130520), (520, 127759), (1004, 66170), (1018, 65260), (1255, 52936), (2008, 33085), (2036, 32630), (2510, 26468), (2545, 26104), (3263, 20360), (4072, 16315), (5020, 13234), (5090, 13052), (6526, 10180), (6617, 10040)]