5211019970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 10224748800

約数和(自身を除く): 5013728830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 199, 314, 398, 785, 995, 1283, 1570, 1990, 2041, 2566, 2587, 4082, 5174, 6415, 10205, 12830, 12935, 16679, 20410, 25870, 31243, 33358, 62486, 83395, 156215, 166790, 201431, 255317, 312430, 402862, 406159, 510634, 812318, 1007155, 1276585, 2014310, 2030795, 2553170, 2618603, 3319121, 4061590, 5237206, 6638242, 13093015, 16595605, 26186030, 33191210, 40084769, 80169538, 200423845, 400847690, 521101997, 1042203994, 2605509985, 5211019970]

約数ペア:

[(1, 5211019970), (2, 2605509985), (5, 1042203994), (10, 521101997), (13, 400847690), (26, 200423845), (65, 80169538), (130, 40084769), (157, 33191210), (199, 26186030), (314, 16595605), (398, 13093015), (785, 6638242), (995, 5237206), (1283, 4061590), (1570, 3319121), (1990, 2618603), (2041, 2553170), (2566, 2030795), (2587, 2014310), (4082, 1276585), (5174, 1007155), (6415, 812318), (10205, 510634), (12830, 406159), (12935, 402862), (16679, 312430), (20410, 255317), (25870, 201431), (31243, 166790), (33358, 156215), (62486, 83395)]